Azer, Samy
Elsevier, 2008
Buku Teks
Amador, Jose A.
Anker Publishing, 2006
Buku Teks
edited by Oon-Seng Tan
Cengage Learning, 2009
Buku Teks SO
edited by Peter A.J. Bouhuijs, H.G. Schmidt, H.J.M. van Berkel
Network Publications, 1993
Buku Teks SO
Benacerraf, Beryl R.
Elsevier, 2014
Buku Teks SO