Goodman, Lawrence R
Saunders Alsevier, 2007
Buku Teks SO
Edited by Shi-Joon Yoo, Cathy MacDonald, Paul Baby
Thieme, 2010
Buku Teks SO
Smith, Genevieve Love
Delmar Publishers, 1991
Buku Teks SO
Joarder, Rita
Springer-Verlag, 2012
eBooks
Bingham, Robert C.
McGraw-Hill, 1987
Buku Teks SO