Gaya APA
Wolfers, A., Martin, L, W. (1956).
The Anglo-American Tradition in Foreign Affairs .
New Haven:
Yale University Press Geoffrey Cumberlege, Oxford University Press.
Gaya MLA
Wolfers, Arnold., Martin, Laurence, W..
"The Anglo-American Tradition in Foreign Affairs".
New Haven:
Yale University Press Geoffrey Cumberlege, Oxford University Press,
1956.
Koleksi Elektronik.