APA (7th ed.) Zitazioa

World Health Organization. Regional Office for Europe & ebrary, Inc. (2010). Sechzig Jahre WHO in Europa. WHO-Regionalbüro für Europa.

Chicago Style (17th ed.) Zitazioa

World Health Organization. Regional Office for Europe eta Inc ebrary. Sechzig Jahre WHO in Europa. Kopenhagen: WHO-Regionalbüro für Europa, 2010.

MLA (9th ed.) Zitazioa

World Health Organization. Regional Office for Europe eta Inc ebrary. Sechzig Jahre WHO in Europa. WHO-Regionalbüro für Europa, 2010.