Wooton, William, author
Wadsworth, 1965
Buku Teks
Tussy, Alan S., author
Brooks/Cole, 2000
Buku Teks
Gaughan, Edward, author
Brooks/Cole, 1970
Buku Teks
Mueller, Francis J., author
Prentice-Hall, 1979
Buku Teks
Silver, Howard A.
Prentice-Hall, 1981
Buku Teks