APA-viite (7. p.)
Dunn, J., Still, R., & Harrop, H. (2012). Britain's sea mammals: Whales, dolphins, porpoises and seals, and where to find them. Princeton University Press.
Chicago-viite (17. p.)
Dunn, Jon, Rob Still, ja Hugh Harrop. Britain's Sea Mammals: Whales, Dolphins, Porpoises and Seals, and Where to Find Them. Princeton, New Jersey: Princeton University Press, 2012.
MLA-viite (9. p.)
Dunn, Jon, et al. Britain's Sea Mammals: Whales, Dolphins, Porpoises and Seals, and Where to Find Them. Princeton University Press, 2012.
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