American Psychological Association, 2018
Majalah, Jurnal, Buletin
the American Psychological Association, 2018
Majalah, Jurnal, Buletin
Wiley Periodicals, Inc, 2004
Majalah, Jurnal, Buletin
Boere, C. George
Prismasophie, 2005
Buku Teks
Leary, Mark R.
Sage Publications, 1983
Buku Teks