Schlegel, Stuart A., author
University of California Press, 1970
Buku Teks
Fuller, Lon L., author
Yale University Press, 1974
Buku Teks
Fuller, Lon L., author
Yale University Press, 1964
Buku Teks
Peffer, R.G. (Rodney G.), 1952-, author
Princeton University Press, 1990
Buku Teks
Chapra, M. Umer (Muhammad Umer), 1933-, author
Edward Elgar, 2014
Buku Teks