Edward Mills, editor
Reed Educational and Professional, 1994
Buku Referensi
Portman, Jackie
Wiley-Blackwell, 2014
Buku Teks SO
by Paul F. Rice, Edward S. Hoffman, David P. Gustafson, Albert J. Gouwens
Van Nostrand Reinhold, 1985
Buku Referensi
Rice, Paul F.
Van Nostrand Reinhold, 1972
Buku Referensi
Chitty, Richard
IHS BRE Press, 2014
Buku Teks SO