Langford, Rae W.
Elsevier Mosby, 2013
Buku Referensi
Zerwekh, JoAnn Graham
2012
Buku Teks
editor, Dolores F. Saxton, Patricia M. Nugent, Phyllis K. Pelikan
Mosby. Inc. , 1999
Buku Teks SO
Lippincott Williams & Wilkins, 2003
Buku Teks SO
Zerwekh, JoAnn Graham
Nursing Education Consultans , 2000
Buku Teks