Gaya APA
Bemis, S, F. (1950).
A Diplomatic History of the United States Third Edition (1).
New York, USA:
Henry Hold & Company.
Gaya MLA
Bemis, Samuel, Flagg.
"A Diplomatic History of the United States Third Edition".
1
New York, USA:
Henry Hold & Company,
1950.
Koleksi Elektronik.