Book, Stephen A., author
McGraw-Hill, 1978
Buku Teks
Klugh, Henry E., author
John Wiley & Sons, 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