Kingsolver, Robert W., author
Pearson - Benjamin Cummings, 2006
Buku Teks
Cox, George W., author
Wm. C. Brown, 1996
Buku Teks
Smeins, Fred E., author
Drive Kendall/Hunt, 1978
Buku Teks
X Ben Wu
Kendall, 2002
Buku Teks
Odum, Eugene Pleasants, author
Saunders College, 1983
Buku Teks