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Bunyan, R. 2020. Who knew that's how they did it? Stunning pictures show mother sperm whale feeding its calf by injecting milk into the sea. 1 hlm. https://www.dailymail.co.uk/news/article-8920863/Stunning-pictures-mother-sperm-whale-feeding-calf-injecting-milk-sea.html, diakses 21 Desember 2021 pk 14.30 WIB.
Caruso, F., V. Sciacca, G. Bellia, E.D. Domenico, G. Larosa, E. Papale, C. Pellegrino, S. Pulvirenti, G. Riccobene, F. Simeone, F. Speziale, S. Viola & G. Pavan. 2015. Size distribution of sperm whales acoustically indentified during long term deep-sea monitoring in the Ionian Sea. PLOS ONE: 1-16.
Encyclopedia of Life. 2014. Physeter macrocephalus.
Intergrated Taxonomic Information System (=ITIS). Physeter macrocephalus Linnaeus, 1758. 1 hlm. https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=180488#null, diakses 21 Desember 2021 pk 13.05 WIB.
Kamal, M.M., N.A. Butet, E.S. Rahayu & A.A. Hakim. 2021. Identifikasi karakteristik molekuler gen 16s rRNA parsial pada paus sperma (Physeter macrocephalus Linnaeus, 1758). Habitus Aquatica 2(1): 21-28.
Naoko, B., H. Ando, M. Goto, N. Kanda, L.A. Pastene, H. Nakatsuji, H. Hata & A. Urano. 2015. Plasma and urine levels of electrolytes, urea and steroid hormones involved in osmoregulation of Cetaceans. Zoological Science 22(11): 1245-1257.
Sci News. 2015. Sperm Whales Have Their Own Culture, Marine Biologist Say. 1 hlm. http://www.sci-news.com/biology/science-sperm-whales-physeter-macrocephalus-culture-03233.html, diakses 21 Desember 2021 pk 14.00 WIB.
NOAA Fisheries. Sperm Whale. 1 hlm. https://www.fisheries.noaa.gov/species/sperm-whale, diakses 21 Desember 2021 pk 13.00 WIB.
Ramadhan, S. 2015. Pengelolaan Sumberdaya Paus Sperma (Physeter macrocephalus) Berbasis Traditional Ecological Knowledge (TEK) di Lamalera, Nusa Tenggara Timur. Skripsi S-1 Departemen Manajemen Sumberdaya Perairan FPIK IPB, Bogor: vi + 29 hlm.
Tyack, P.L. M. Johnson, N.A. Soto, A. Sturlese & P.T. Madsen. 2006. Extreme diving of beaked whales. Â Journal of Experimental Biology 209: 4238-4253.
