Arnbom, T. (1994). Maternal investment in male and female offspring in the southern elephant seal. Dept. of Zoology, Stockholm University.
Chicago-viite (17. p.)Arnbom, Tom. Maternal Investment in Male and Female Offspring in the Southern Elephant Seal. Stockholm, Sweden: Dept. of Zoology, Stockholm University, 1994.
MLA-viite (8. p.)Arnbom, Tom. Maternal Investment in Male and Female Offspring in the Southern Elephant Seal. Dept. of Zoology, Stockholm University, 1994.
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