DePoy, Elizabeth, author
Brooks/Cole-Thomson Learning, 2003
Buku Teks
edited by Jan Fook
Allen & Unwin, 1996
Buku Teks
Farley, O. William, 1934-, author
Pearson Education, 2012
Buku Teks
Simons, Ronald L., author
Macmillan, 1985
Buku Teks
edited by Florence Haselkorn
Council on Social Work Education, 1971
Buku Teks