Brammer, Lawrence M., author
Prentice-Hall, 1982
Buku Teks
Lister-Ford, Christine, author
Sage Publications, 2002
Buku Teks
Tolan, Janet, author
Sage, 2003
Buku Teks
Corey, Gerald, author
Thomson Wadsworth, 2005
Buku Teks
d`Ardenne, Patricia, author
Sage, 2013
Buku Teks