Gaya APA

Pratt, J, W. (1965). a History of united states foreign policy : Julius W. Pratt (Ed. 2). New Jersey: Prentice. Hall Inc. Englewood Cliffs, NJ..

Gaya MLA

Pratt, Julius, W.. "a History of united states foreign policy : Julius W. Pratt". Ed. 2 New Jersey: Prentice. Hall Inc. Englewood Cliffs, NJ., 1965. Buku.