Harvey, David, 1935-, author
Johns Hopkins University Press, 1973
Buku Teks
Abdelkader, Deina, author
International institute of islamic thought, 2000
Buku Teks
Wright, Burton, author
W.B. Saunders, 1978
Buku Teks
Abadinsky, Howard, author
Prentice-Hall, 1979
Buku Teks
Peffer, R.G. (Rodney G.), 1952-, author
Princeton University Press, 1990
Buku Teks