APA Citatie

Cowles Education Corporation. (1968). Cowles encyclopedia of nations. Cowles Education Corp.

Chicago Style citaat

Cowles Education Corporation. Cowles Encyclopedia of Nations. [New York]: Cowles Education Corp, 1968.

MLA citatie

Cowles Education Corporation. Cowles Encyclopedia of Nations. Cowles Education Corp, 1968.

Let op: Deze citaties zijn niet altijd 100% accuraat.