Style de citation APA

Lefever, E. W. (1967). U-S-policy, the UN and the Congo. Orbis. - publ. by the Foreign Policy Research Institute of the University of Pennsylvania.

Style de citation Chicago

Lefever, Ernst W. "U-S-policy, the UN and the Congo." Orbis. - Publ. by the Foreign Policy Research Institute of the University of Pennsylvania 1967.

Style de citation MLA

Lefever, Ernst W. "U-S-policy, the UN and the Congo." Orbis. - Publ. by the Foreign Policy Research Institute of the University of Pennsylvania, 1967.