edited by Edward C. Chang, Christina A. Downey, Jameson K. Hirsch, Natalie J. Lin
American Psychological Association, 2016
Buku Teks
John Wiley & Sons, 2004
Buku Teks
Hefferon, Kate, author
McGraw-Hill, 2011
Buku Teks
American Psychological Association, {s.a}
Majalah, Jurnal, Buletin
Schaefer, Richard T, author
Pearson Education, 2015
Buku Teks