Dolbeare, Kenneth M.
D.C. Heath, 1985
Buku Teks
edited by G. John Ikenberry
Cambridge University Press, 2014
Buku Teks
Almond, Gabriel A.
Little, Brown & Co., 1978
Buku Teks
Rose, Leo E.
Cornell University Press, 1970
Buku Teks
Adem, Seifudein
Routledge, Taylor & Francis Group, 2018
Buku Teks