Harrison, Walter T., author
Pearson education, 2015
Buku Teks
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
Lewis, Richard, author
Pitman Books, 1983
Buku Teks