APA citiranje

Astley, N., & Baker, M. (2011). Peppa's washing day. London: Ladybird.

Παραπομπή Chicago Style

Astley, Neville, και Mark Baker. Peppa's Washing Day. London: Ladybird, 2011.

MLA citiranje

Astley, Neville, και Mark Baker. Peppa's Washing Day. London: Ladybird, 2011.