Παραπομπή APA

Leigh-Pemberton, J. (1976). Big Animals. Ladybird Books.

Παραπομπή Chicago Style

Leigh-Pemberton, John. Big Animals. Loughborough: Ladybird Books, 1976.

Παραπομπή MLA

Leigh-Pemberton, John. Big Animals. Ladybird Books, 1976.