Lindbeck, John M.H.
Praeger Publishers, 1971
Buku Teks
edited by Janice A. Radway, Kevin Gaines, Barry Shank, Penny Von Eschen
Wiely-Blackwell, 2009
Buku Teks
Banks, James A.
Allyn and Bacon, 1979
Buku Teks SO
edited by David J. Rothman and Sheila M. Rothman
Basic Books, 1975
Buku Teks
Majors, Randall E.
Prentice-Hall, 1997
Buku Teks