Dyfyniad APA

Levering, R. B. (1978). The public and American foreign policy, 1918-1978. Published for the Foreign Policy Association by Morrow.

Dyfyniad Arddull Chicago

Levering, Ralph B. The Public and American Foreign Policy, 1918-1978. New York: Published for the Foreign Policy Association by Morrow, 1978.

Dyfyniad MLA

Levering, Ralph B. The Public and American Foreign Policy, 1918-1978. Published for the Foreign Policy Association by Morrow, 1978.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.