Stapleton, Gerald F.
Tab Books, 1971
Buku Referensi
Farrell, Joyce
Course Technology Cengage Learning, 2013
Buku Teks
Farrell, Joyce
Course Technology Cengage Learning, 2013
Buku Teks
Shiffman, Daniel
Morgan Kaufmann Publisher, 2008
Buku Teks
Williams, Carolyn L.
American Psychological Association , 2011
Buku Teks