Eskew, Robert K., author
Random House Business Division, 1989
Buku Teks
Tulsian, P.C., author
Tata McGraw-Hill, 1998
Buku Teks
Solomon, Lanny M., author
Harper & Row, 1985
Buku Teks
Deegan, Craig, author
McGraw-Hill, 2009
Buku Teks
Pattillo, James W., author
Lousiana State University Press , 1965
Buku Teks