Precedent in law
edited by Laurence Goldstein
Clarendon Press, 1987
 Buku Teks SO
Fried, Robert C.
Comparative political institutions
Macmillan, 1968
 Buku Teks SO
Hague, Rod.
Political science : a comparative introductionHarrop.
Palgrave Macmillan , 2013
 Buku Teks SO
Sargent, Lyman Tower
Contemporary political ideologies : a comparative analysis
Thomson Wadsworth , 2006
 Buku Teks SO
Sargent, Lyman Tower
Contemporary political idiologies a comparative analysis
Cole Publishing, 1990
 Buku Teks