APA Citatie

(1976). Purnell's find out about wonders of the world. Purnell Books.

Chicago Style citaat

Purnell's Find Out About Wonders of the World. Maidenhead: Purnell Books, 1976.

MLA citatie

Purnell's Find Out About Wonders of the World. Purnell Books, 1976.

Let op: Deze citaties zijn niet altijd 100% accuraat.