APA (7e ed.) Bronvermelding
Johnson, L. K. (1991). America as a world power: Foreign policy in a constitutional framework. McGraw-Hill.
Chicago (17e ed.) Bronvermelding
Johnson, Loch K. America as a World Power: Foreign Policy in a Constitutional Framework. New York: McGraw-Hill, 1991.
MLA (9e ed.) Bronvermelding
Johnson, Loch K. America as a World Power: Foreign Policy in a Constitutional Framework. McGraw-Hill, 1991.
Let op: Deze citaties zijn niet altijd 100% accuraat.