Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.