Higgins, David
Prentice-Hall, 1983
Buku Teks
HPAA, 1984
Buku Teks
Kettner, Peter M
SAGE, 2017
Buku Teks
Abramson, Joseph Herbert, 1924-
Oxford University Press, 1983
Buku Teks
edited, Bernard Berelson
University of Chicago, [date of publication not identified]
Buku Teks