Wimmert, Robert J., author
Holt, Rinehart and Winston, 1969
Buku Teks
Maurer, Ward Douglas, author
Holden-Day, 1972
Buku Teks
Sanchez, Julio, author
McGraw-Hill, 1995
Buku Teks
Uher, Thomas E., author
Spon Press, 2011
Buku Teks
Maurer, H.A., author
Prentice-Hall, 1972
Buku Teks