Crisp, L. F. (Leslie Finlay), author
Australian national government
Longman Chesire, 1965
 Buku Teks
Wilson, James Q., author
American government: institutions and policies
D.C. Helath and Co., 1986
 Buku Teks
Jaensch, Dean Harold
The government of South Australia
[publisher not identified], 1977
 Buku Teks
Townsley, W.A.
The government of Tasmania / W. A. Townsley
University of Queensland Press, 1976
 Buku Teks
American politics and government
edited by Stephen K. Bailey
United States Information Agency, 1973
 Buku Teks
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