Dawson-Saunders, Beth
Conn Appleton & Lange, 1990
Buku Teks
Gerstman, B. Burt
Jones and Barlett Publishers, 2008
Buku Teks
Dawson-Saunders, Beth
Prentice-Hall, 1990
Buku Teks
by Cecil Slome [and others]
Wadsworth Health Sciences Division, 1982
Buku Teks
McMillan Public Comp, 1987
Buku Teks