APA aipamena

Belgium, G. 271/W.1: Www.greenpeace.org/belgium.

Chicago Style aipamena

Belgium, Greenpeace. 271/W.1: Www.greenpeace.org/belgium.

MLA aipamena

Belgium, Greenpeace. 271/W.1: Www.greenpeace.org/belgium.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.