Style de citation APA

Yost, D. S. (1982). French policy in Chad and the Libyan challenge. Orbis. - publ. by the Foreign Policy Research Institute of the University of Pennsylvania.

Style de citation Chicago

Yost, David S. "French Policy in Chad and the Libyan Challenge." Orbis. - Publ. by the Foreign Policy Research Institute of the University of Pennsylvania 1982.

Style de citation MLA

Yost, David S. "French Policy in Chad and the Libyan Challenge." Orbis. - Publ. by the Foreign Policy Research Institute of the University of Pennsylvania, 1982.