Sarafino, Edward P., author
John Wiley & Son, 2012
Buku Teks
Marks, David F., author
Sage, 2018
Buku Teks
DiMatteo, M. Robin, author
Allyn and Bacon, 2002
Buku Teks
Edited by S. Maes, H. Leventhal and M. Johnston
John Wiley & Sons, 1993
Buku Teks
Taylor, Shelley E., author
McGraw-Hill, 1995
Buku Teks