edited by Bharat K. Bhargava
Van Nostrand Reinhold, 1987
Buku Teks
Wells, A.F., author
John Wiley & Sons, 1977
Buku Teks
Cedergren, Harry R.,
John Wiley & Sons, 1977
Buku Teks
Hemmerechts, Kristien
Atlas, 2004
Buku Teks
Peterson, James L., author
Prentice-Hall, 1981
Buku Teks