edited by Pietro S. Nivola, David H. Rosenbloom ; with forewords by Nelson W. Polsby and Theodore J. Lowi
St. Martin's Press, 1990.
Buku Teks
Robert E. Diclerico, Allan S. Hammock, editor
McGraw-Hill, 2009
Buku Teks
edited by Robert E. DiClerico, Allan S. Hammock
McGraw-Hill, 1992
Buku Teks
Woll, Peter, author
Little, Brown, 1965
Buku Teks
Irish, Marian D., author
Prentice-Hall, 1962
Buku Teks