Hothersall, David, author
McGraw-Hill, 2004
Buku Teks
Hogan, Kevin, author
Professional Books, 1997
Buku Teks
Baron, Robert A., author
Erlangga, 2005
Buku Teks
Santrock, John W., author
Salemba Humanika, 2014
Buku Teks
Feldman, Robert S., author
Salemba Empat, 2012
Buku Teks