Freund, John E., author
Prentice-Hall, 1984
Buku Teks
Erricker, B.C.
Hodder & Stoughton , 1981
Buku Teks
Sellers, Gene R.
WB. Saunders, 1977
Buku Teks
Bluman, Allan G., author
McGraw-Hill, 2013
Buku Teks
McCormick, Thomas Carson, 1892-, author
McGraw-Hill, 1941
Buku Teks
McClave, James T., author
Dellen Publishing, 1979
Buku Teks