Cita APA (7th ed.)

Astley,Neville & Baker, M. (2003). Goodnight Peppa. Ladybird.

Cita Chicago (17th ed.)

Astley,Neville & Baker, Mark. Goodnight Peppa. london: Ladybird, 2003.

Cita MLA (8th ed.)

Astley,Neville & Baker, Mark. Goodnight Peppa. Ladybird, 2003.

Atenció: Aquestes cites poden no estar 100% correctes.