Boddy, David, author
Prentice-Hall, 2002
Buku Teks
Elsevier Mosby, 2014
Buku Teks
Bruce W. Dearstyne, editor
Neal-Schuman Publishers, Inc., 2008
Buku Teks
Yoder-Wise, Patricia S., author
Mosby, 2006
Buku Teks
Jackson, Susan E., author
South Westh Western College, 2000
Buku Teks