MTP Press , 1982
Buku Teks
edited by Richard J. Gelles and Donileen R. Loseke
Sage Publications, 1993
Buku Teks
Coakley, Jay
McGraw-Hill, 2001
Buku Teks
edited by Stephen A. Zeff and Thomas F. Keller
McGraw-Hill, 1973
Buku Teks
Bogart, Leo ed
Markham Company, 1969
Buku Teks