Soltau, Roger H.
An Introduction to politics
Longmans, Green , 1951
 Buku Teks
Soltau, Roger H.
An Introduction to politics
Longmans, Green , 1960
 Buku Teks
Friedmann, Wolfgang, 1907-1972
An introduction to world politics
Macmillan, 1951
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Wilson, Graham K.
Business and politics : a comparative introduction
Chatham House, 1985
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Singh, Bilveer, 1956-
Politics and governance in Singapore : an introduction
McGraw-Hill, 2012
 Buku Teks