Azer, Samy
Elsevier, 2008
Buku Teks
Amador, Jose A.
Anker Publishing, 2006
Buku Teks
edited by Oon-Seng Tan
Cengage Learning, 2009
Buku Teks
edited by Peter A.J. Bouhuijs, H.G. Schmidt, H.J.M. van Berkel
Network Publications, 1993
Buku Teks
Teena Clouston
Wiley, 2010
Buku Teks