APA (7th ed.) Zitazioa

(2011). Last laughs: Animal epitaphs / J. Patrick Lewis and Jane Yolen ; illustrated by Jeffrey Stewart Timmins.

Chicago Style (17th ed.) Zitazioa

Last Laughs: Animal Epitaphs / J. Patrick Lewis and Jane Yolen ; Illustrated by Jeffrey Stewart Timmins. 2011.

MLA (9th ed.) Zitazioa

Last Laughs: Animal Epitaphs / J. Patrick Lewis and Jane Yolen ; Illustrated by Jeffrey Stewart Timmins. 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.