Smith, Peter B., author
Sage, 2013
Buku Teks
Moskowitz, Gordon B., author
Guilford Press, 2005
Buku Teks
Nevid, Jeffrey S.
Pearson Education International, 2008
Buku Teks
Nevid, Jeffrey S.
Pearson, 2014
Buku Teks
Nevid, Jeffrey S., author
Pearson-Prentice Hall, 2006
Buku Teks