Churchill Livingstone , 2007
Buku Teks
Charles Docherty, Jacqueline McCallum, editor
Oxford Univesity Press, 2009
Buku Teks
edited by Beverly J. Rambo, Lucile A. Wood
W.B. Saunders, 1982
Buku Teks
Perry, Anne Griffin, author
Elsevier, 2006
Buku Teks
Benner, Patricia E., author
Prentice-Hall, 2001
Buku Teks