Juergensmeyer, Julian Conrad
Little, Brown, 1982
Buku Teks
edited by Lennart Hagberg
Kluwer, 1977
Buku Teks
by Paul A. Freund [and others]
Little, Brown, 1954
Buku Teks
Hackworth, Green Haywood
Government Printing Office, 1941
Buku Teks
Cambridge University Press, 2005
Buku Referensi