edited by Henderikus J. Stam
Sage Publications, 1998
Buku Teks
Jones, Edward E., author
John Wiley & Sons, 1967
Buku Teks
Blum, Milton L., author
Harper & Brothers , 1956
Buku Teks
Blum, Milton L., author
Harper & Row, 1968
Buku Teks
edited by David M. Buss
John Wiley & Sons, 2016
Buku Teks