edited Otis W. Freeman
Wiley, 1951
Buku Teks
Freeman, Otis W.
John Wiley & Sons, 1951
Buku Teks
prepared by Narongchai Akrasanee [and others]
Centre for Strategic and International Studies, 1981
Buku Teks
edited by Leslie V. Castle, Christopher Findlay
Allen & Unwin, 1988
Buku Referensi
Bartol, Kathryn
McGraw-Hill, 2001
Buku Teks