Chalmer, Bruce J., author
Marcel Dekker, 1987
Buku Teks
Leonard, J Martin, author
Teach Yourself Books, 1974
Buku Teks
McClave, James T., author
Dellen Publishing, 1979
Buku Teks
Hays, William L., author
Harcourt Brace Colege, 1994
Buku Teks
McClave, James T., author
Dellen Publishing, 1985
Buku Teks