Wolff, Klaus
McGraw-Hill, 2013
Buku Teks SO
White, Gary M., 1961-
Mosby, 2004
Buku Referensi
Sanchez, Nestor P., editor
Springer, 2012
eBooks
David E. Elder, Rosalie Elenitsas, Adam L. Rubin, Michael Loffreda, Jeffrey Miller, O. Fred Miller
Wolters Kluwer/Lippincott Williams and Wilkins, 2013
Buku Referensi
editor, Marwali Harahap
Kluwer Academic, 1989
Buku Teks SO