Kahin, George McTurnan
United States in Vietnam
A Delta Book, 1967
 Buku Teks
Ang, Cheng Guan
Ending the Vietnam war : the Vietnamese communists perspective
Routledge Curzon, 2004
 Buku Teks
Crisp, L.F. (Leslie Finlay)
The parliamentary government of the Commonwealth of Australia
Yale University Press, 1949
 Buku Teks
Solomon, David Harris
Australia's government and parliament
Thomas Nelson, 1973
 Buku Teks
Solomon, David Harris
Australia's government and parliament
Thomas Nelson, 1978
 Buku Teks