Zastrow, Charles, author
Dorsey Press, 1985
Buku Teks
Cynthia Franklin, Editor in Chief
NASW Press, 2016
Buku Referensi
Neil Thompson and Paul Stepney, editors
Routledge, Taylor & Francis Group, 2018
Buku Teks
Timms, Noel
Routledge & Kegan Paul, 1973
Buku Teks
edited by Bob Pease and Jan Fook
Routledge, 1999
Buku Teks