edited by Ahmed H. El-Abiad
Hemisphere, 1983
Buku Teks
Kusic, George, author
CRC Press, 2009
Buku Teks
Yamayee, Zia A., author
John Wiley & Sons, 1994
Buku Teks
Guile, A.E., author
Pergamon Press, 1982
Buku Teks
Guile, A.E., author
Pergamon Press, 1986
Buku Teks