edited by William Bridgwater dan Seymour Kurtz
Columbia University Press, 1963
Buku Referensi
editor in chief, Seymour Martin Lipset
Routledge, 1995
Buku Referensi
Lawrence C. Becker, Charlotte B. Becker, editors
Routledge, 2001
Buku Referensi
Hastings, James, author
T&T Clark, 1980
Buku Referensi
edited by Paul Hockings
G.K. Hall, 1992
Buku Referensi