Gaya APA
Bemis, S, F. (1951).
The United States as a World Power: A Diplomatic History 1900-1950 (1).
New York, USA:
Henry Holt and Company.
Gaya MLA
Bemis, Samuel, Flagg.
"The United States as a World Power: A Diplomatic History 1900-1950".
1
New York, USA:
Henry Holt and Company,
1951.
Koleksi Elektronik.