Gaya APA

ASSOCIATIONS, U, O, I. (1992). YEARBOOK of international organizations, volume 1: (31st ed.). Munchen: K.G. Saur.

Gaya MLA

ASSOCIATIONS, UNION, OF, INTERNATIONAL. "YEARBOOK of international organizations, volume 1:". 31st ed. Munchen: K.G. Saur, 1992. Buku.