Unity plurality and politics :essays in honour of F.M.Barnard / Editor JM Porter & Richard Vernon
Stamartin's Press, 1986
Buku Teks
International politics introductory reading / edited by George S. Masannat and Gilbert Abcarian
Charles Scribner's , 1970
Buku Teks
Tansey, Stephen D.
Politics: the basic
Routledge, 1996
Buku Teks
Combs, James E.
A primer of politics
Macmillan, 1984
Buku Teks
Eulau, Heinz
Journeys in politics
Bobbs-Merrill, 1963
Buku Teks