Kormondy, Edward J.
Prentice-Hall, 1976
Buku Teks
Krohne, David T., author
Brook/Cole, 2001
Buku Teks
Odum, Eugene P. (Eugene Pleasants), author
Brooks/Cole Cengage Learning, 2005
Buku Teks
Cox, George W., author
Wm. C. Brown, 1996
Buku Teks
Smeins, Fred E., author
Drive Kendall/Hunt, 1978
Buku Teks