Yankelovich, Daniel
Washington Square Press, 1972
Buku Teks
McGraw-Hill, 1975
Buku Teks
Harvey, Harriet
A Merloyd Lawrence Book, 1983
Buku Teks
Cottle, Thomas J.
The University of Chicago Press, 1977
Buku Teks
Cuba, Lee J., author
Massachusetts Harvard University Press, 2016
Buku Teks