Strong, C.F.
Modern political constitutions: an introduction to the comparative study of their history and existing forms
Sidgwick & Jackson Limited, 1960
Buku Teks
Strong, C.F.
Konstitusi-Konstitusi politik Modern: Kajian Tentang Sejarah dan Bentuk-bentuk Konstitusi Dunia: An introduction to the comparative study of their history and existing form
Nuansa, 2004
Buku Teks
Reinsch, Paul S.
The fundamental principles of government / Paul S. Reinsch.
Commercial Press, 1921
Buku Teks
Roucek, Joseph S.
Introduction to political science/Joseph S.Roucek, Huszar, George B. De
Thomas Y. Crowell Company, 1950
Buku Teks
Joad, C.E.M.
Introduction to modern political theory
Clarendon Press, 1959
Buku Teks