DuBrin, Andrew J., author
Prenada Media Group, 2009
Buku Teks
Koch, Edward T., author
Kencana Prenada Media Group, 2008
Buku Teks
Passante, Christopher K., author
Prenada Media Group, 2008
Buku Teks
Nicolino, Patricia F.
Kencana Prenada Media , 2007
Buku Teks
Davidson, Jeff, author
Prenada, 2010
Buku Teks