Alberto Garrido, Helen Ingram, editor
Routledge,, 2011
Buku Teks
edited by G.J. Alaerts, N.L. Dickinson
CRC Press, Taylor & Francis Group, 2009
Buku Teks
Nevid, Jeffrey S., author
Prentice-Hall, 1997
Buku Teks
Nevid, Jeffrey S., author
Pearson-Prentice Hall, 2006
Buku Teks
Nevid, Jeffrey S., author
Pearson Education International, 2008
Buku Teks