Ullman, Neil R., author
John Wiley & Sons, 1978
Buku Teks
Sellers, Gene R.
WB. Saunders, 1977
Buku Teks
Bluman, Allan G., author
McGraw-Hill, 2013
Buku Teks
McClave, James T., author
Prentice-Hall, 2000
Buku Teks
McClave, James T., author
Dellen Publishing, 1979
Buku Teks