Abdul Kadir, author
Kennedy Western University, 1991
Buku Teks
Pansini, Anthony J., author
The Fairmont Press, 1994
Buku Teks
John Wiley & Sons, 1980
Buku Teks
Kaplan, Jacob J., author
N.Y. Frederick A. Praeger , 1968
Buku Teks
Brown, Richard E., author
CRC Press, Taylor & Francis Group, 2009
Buku Teks