Klooster, Dale H., author
South-Western Publishing, 1983
Buku Teks
Klooster, Dale H., author
South-Western, 1990
Buku Teks
Jones, Graham, author
McGraw-Hill, 1988
Buku Teks
Li, David H., author
McGraw-Hill, 1968
Buku Teks
Wilkinson, Joseph W., author
John Wiley & Sons, 1997
Buku Teks