edited by Leonard H. Goodman
Columbia University Press, 1966
Buku Teks
Young, Pat, author
Macmillan, 1995
Buku Teks
National conference on social welfare
Columbia University Press, 1974
Buku Teks
Zastrow, Charles, author
Buku Teks
Zastrow, Charles, author
Brooks/Cole, 1996
Buku Teks