APA-čujuhus (7. p.)
Berta, A., Sumich, J. L., & Kovacs, K. M. (2006). Marine mammals: Evolutionary biology (2nd ed.). Elsevier/Academic Press.
Chicago-čujuhus (17. p.)
Berta, Annalisa, James L. Sumich, juo Kit M. Kovacs. Marine Mammals: Evolutionary Biology. 2nd ed. Amsterdam ; Boston ; London: Elsevier/Academic Press, 2006.
MLA-čujuhus (9. p.)
Berta, Annalisa, et al. Marine Mammals: Evolutionary Biology. 2nd ed. Elsevier/Academic Press, 2006.
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