Dean, John P.
The University of Chicago Press, 1955
Buku Teks
Kinloch, Graham C., author
Prentice-Hall, 1979
Buku Teks
Kinloch, Graham C., author
Prentice-Hall, 1979
Buku Teks
Callahan, Robert E., author
Charles E. Merrill, 1988
Buku Teks
Alfred A. Knopf, 1951
Buku Teks