Culbertson, Jack A., author
Prentice-Hall, 1960
Buku Teks
Dubin, Andrew J., author
Pergamon Press, 1977
Buku Teks
Schwartz, Bernard, author
Little, Brown & Co., 1977
Buku Teks
Schwartz, Bernard, author
Little, Brown & Co., 1988
Buku Teks
Schwartz, Bernard, author
Little, Brown & Co., 1980
Buku Teks