Burn, Shawn Meghan, author
Groups: theory and practice / Shawn Meghan Burn
California, 2004
 Buku Teks
Russel, Elizabeth
Professional growth on the job: a guide for the public assistance worker / by Elizabeth Russel
Family Service Association of America, 1947
 Buku Teks
Catalano, Ralph
Health behavior and the community : an ecological perspective / Ralph Catalano
Pergamon Press , 1979
 Buku Teks
Sears, David O., author
Psikologi sosial; Jilid 2
Erlangga, 1991
 Buku Teks
Rusadi Kantaprawira, author
Aplikasi pendekatan sistem dalam ilmu-ilmu sosial
Bunda Karya, 1987
 Buku Teks