Liebenberg, L. (2015). First field guide to animal tracks of Southern Africa. Penguin Random House South Africa.
Style de citation Chicago (17e éd.)Liebenberg, Louis. First Field Guide to Animal Tracks of Southern Africa. Cape Town: Penguin Random House South Africa, 2015.
Style de citation MLA (8e éd.)Liebenberg, Louis. First Field Guide to Animal Tracks of Southern Africa. Penguin Random House South Africa, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.