Kruuk, H. Otters. Oxford University Press.
Chicago Style (17th ed.) CitationKruuk, H. Otters. Oxford University Press.
MLA (8th ed.) CitationKruuk, H. Otters. Oxford University Press.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.
Kruuk, H. Otters. Oxford University Press.
Chicago Style (17th ed.) CitationKruuk, H. Otters. Oxford University Press.
MLA (8th ed.) CitationKruuk, H. Otters. Oxford University Press.