Kane, Charles W.
Lincoln Town Press, 2009
Buku Teks SO
McIntyre, Anne
Judy Piatkus Publishers, 1997
Buku Teks SO
Lippincott Williams & Wilkins, 2006
Buku Referensi
Erni Setiyowati
Fakultas Ilmu Keperawatan Universitas Indonesia, 2010
UI - Tugas Akhir
Tobyn, Graeme
Churchill livingstone , 2011
Buku Teks SO