Arapoff, Nancy
Holt, Rinehart and Winston, 1970
Buku Teks
Edwards, Brian, author
Taylor & Francis Group, 2008
Buku Teks
Clowers, Myles L., author
McGraw-Hill, 1977
Buku Teks
Allen, Jon G, author
American Psychiatric Publishing, 2005
Buku Teks
Clowers, Myles L., author
McGraw-Hill, 1973
Buku Teks