Taylor, Victor E.
Para/inquiry: postmodern religion and culture
Routledge, 2000
Buku Teks
Olmstead, Clifton E.
History of religion in the United State
Prentice-Hall, 1960
Buku Teks
Brown, L. Carl
Religion and state: the muslim approach to politics
Columbia University Press, 2000
Buku Teks
Easton, David
The political system : an inquiry into the state of political science
Knopf, 1971
Buku Teks
Herrmann, Heinz
Cell biology : an inquiry into the nature of the living state
Harper & Row, 1989
Buku Teks