Cullen, Charles G., author
PWS-Kent Publishing, 1991
Buku Teks
Fuhrmann, Paul A., author
[, Springer Science], 2012
eBooks
Jain, Surender Kumar, author
Thomson Brooks/Cole, 2004
Buku Teks SO
Sernesi, E., author
Chapman & Hall, 1993
Buku Teks SO
Grossman, Stanley I., author
Saunders College, 1995
Buku Teks