Cook, J. Sue
Addison Wesley Publishing, 1987
Buku Teks
Fontaine, Karen Lee, author
Pearson Education, 2003
Multimedia
Shives, Louise Rebraca, author
Lippincott, 1998
Buku Teks
Charron, Helena S., author
W. B Saunders , 1998
Buku Teks
Glod, Carol A., author
F.A. Davis Co., 1998
Buku Teks