Bell, Phillip, author
Sage, 2001
Buku Teks
Gaultney, Jane F.
Thomson, 2007
Buku Teks
Hollway, Wendy, author
Sage, 2003
Buku Teks
Nicholas Freudenberg, Susan Klitzman, Susan Saegert, editor
Jossey- Bass, 2009
Buku Teks
edited by D.T. Herbert and R.J. Johnston
John Wiley & Sons, 1978
Buku Teks