Sharkansky, Ira
Policy and politics in American governments
McGraw-Hill, 1975
 Buku Teks SO
Governments and politics of southeast asia
edited by George McTurnan Kahin
Cornell University Press, 1969
 Buku Teks
Governments and politics of Southeast Asia
edited by George McTurnan Kahin
Cornell University Press, 1959
 Buku Teks
Foreign governments : the dynamics of politics abroad
edited by Fritz Morstein Marx
Prentice-Hall, 1952
 Buku Teks SO
Coalition building in world politics: definitions, conceptions and examples
 Artikel Jurnal