Gaya APA

Kirkendall, R, S. (1973,1980). A Global Power ( America Since the Age pf Roosevelt ) . New York: AlfredA.Knopf.

Gaya MLA

Kirkendall, Richard, S.. "A Global Power ( America Since the Age pf Roosevelt )". New York: AlfredA.Knopf, 1973,1980. Text.