Veer, M.R. van Alphen
Van Gorcum & Co. N.V., 1955
Buku Teks
Feldman, Edmund Burke
Prentice-Hall, 1967
Buku Teks
Zulkarnaini Abdullah, author
Arruzz, 2003
Buku Teks
Gellerman, Saul W., author
McGraw-Hill, 1960
Buku Teks
edited by Alison Clarke-Stewart, Judy Dunn
Cambridge University Press, 2006
Buku Teks