Cita APA (7th ed.)

Astley, N. &. B. (2003). Peppa Goes Skiing. Ladybird Books.

Cita Chicago (17th ed.)

Astley, Neville & Baker. Peppa Goes Skiing. london: Ladybird Books, 2003.

Cita MLA (8th ed.)

Astley, Neville & Baker. Peppa Goes Skiing. Ladybird Books, 2003.