Cita APA

Duffy, J. (1960). Portugal in Africa. Foreign affairs. - publ. by the Council on Foreign Relations.

Citación estilo Chicago

Duffy, James. "Portugal in Africa." Foreign Affairs. - Publ. by the Council on Foreign Relations 1960.

Cita MLA

Duffy, James. "Portugal in Africa." Foreign Affairs. - Publ. by the Council on Foreign Relations, 1960.