editor, William B. Ward
JAI Press, 1987
Buku Teks
editor, William B. Ward
JAI Press, 1986
Buku Teks
Bartholomew, L. Kay
Jossey-Bass, 2011
Buku Teks
edited by Karen Glanz, Barbara K. Rimer, K. Viswanath
Jossey-Bass, 2008
Buku Teks
edited by William B. Ward, Frances Marcus Lewis
Jessica Kingsley Publishers, 1991
Buku Referensi