Schwartz, Steven
Mayfield, 2000
Buku Teks
Kartini Kartono
Alumni, 1972
Buku Teks
Mash, Eric J.
Wadsworth and Cengage Learning, 1999/2010
Buku Teks
Carson, Robert C.
Longman, 1997
Buku Teks
Jill M. Hooley, James N. Butcher, Matthew K. Nock, Susan Mineka
Pearson, 2017
Buku Teks