Struckey, Gilbert. B
McGraw-Hill, 1974
Buku Teks
Maruyama, Masao
University of Tokyo Press, 1974
Buku Teks
Bellah, Robert Neelly, author
The Free Press , 1957
Buku Teks
Hauser, William B., author
Cambridge University Press, 1974
Buku Teks
Hirschmeier, Johannes
Harvard University Press, 1964
Buku Teks