APA (7e ed.) Bronvermelding

PARRAGON BOOKS. (2019). EXPLORE THE WORLD OF BIRDS & MAMMALS (2016 Ed.). PARRAGON BOOK PUBLISHERS.

Chicago (17e ed.) Bronvermelding

PARRAGON BOOKS. EXPLORE THE WORLD OF BIRDS & MAMMALS. 2016 Ed. LONDON: PARRAGON BOOK PUBLISHERS, 2019.

MLA (9e ed.) Bronvermelding

PARRAGON BOOKS. EXPLORE THE WORLD OF BIRDS & MAMMALS. 2016 Ed. PARRAGON BOOK PUBLISHERS, 2019.