APA aipamena

International Peace Bureau (IPB). (1992). International Peace Bureau (IPB). Annual report.. Geneva: IPB.

Chicago Style aipamena

International Peace Bureau (IPB). International Peace Bureau (IPB). Annual Report.. Geneva: IPB, 1992.

MLA aipamena

International Peace Bureau (IPB). International Peace Bureau (IPB). Annual Report.. Geneva: IPB, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.