Dyfyniad APA

Johnson, L. K. (1991). America as a world power: Foreign policy in a constitutional framework. McGraw-Hill.

Dyfyniad Arddull Chicago

Johnson, Loch K. America as a World Power: Foreign Policy in a Constitutional Framework. New York: McGraw-Hill, 1991.

Dyfyniad MLA

Johnson, Loch K. America as a World Power: Foreign Policy in a Constitutional Framework. McGraw-Hill, 1991.

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