Leary, Mark R., author
Sage Publications, 1983
Buku Teks
edited by Gregory J. Boyle, Donald H. Saklofske, Gerald Matthews
Academic Press, 2015
eBooks
Sage, 1985
Buku Teks
Hill, Craig A., author
Sage Publications, 2008
Buku Teks
edited by Ladd Wheeler
Sage, 1980
Buku Teks