APA aipamena

J Hutchinson. (1967). Key to the famillies of flowering plants of the world. Oxford: Clarendon.

Chicago Style aipamena

J Hutchinson. Key to the Famillies of Flowering Plants of the World. Oxford: Clarendon, 1967.

MLA aipamena

J Hutchinson. Key to the Famillies of Flowering Plants of the World. Oxford: Clarendon, 1967.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.