Παραπομπή APA

Leigh-Pemberton, J. (1976). Reptiles. Ladybird Books.

Παραπομπή Chicago Style

Leigh-Pemberton, John. Reptiles. Loughborough: Ladybird Books, 1976.

Παραπομπή MLA

Leigh-Pemberton, John. Reptiles. Ladybird Books, 1976.