APA (7th ed.) Zitazioa

(2011). Guidelines on HIV and AIDS for the postal sector. International Labour Office.

Chicago Style (17th ed.) Zitazioa

Guidelines on HIV and AIDS for the Postal Sector. Geneva: International Labour Office, 2011.

MLA (9th ed.) Zitazioa

Guidelines on HIV and AIDS for the Postal Sector. International Labour Office, 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.