APA (7. basım) Alıntı

Astley, N. &. B. (2003). Happy Birthday Peppa! Ladybird Books.

Chicago Style (17. basım) Atıf

Astley, Neville & Baker. Happy Birthday Peppa! london: Ladybird Books, 2003.

MLA (8th ed.) Atıf

Astley, Neville & Baker. Happy Birthday Peppa! Ladybird Books, 2003.