Alderman, Eric, author
McGraw-Hill, 1988
Buku Teks
Susanto, author
Dinastindo, 1990
Buku Teks
[place of publication not identified]: [publisher not identified], [date of publication not identified]
Buku Teks
Kelley, Al., author
The Benjamin Cumming Pub., 1984
Buku Teks
Evjen, bill, author
Wiley Publishing, inc., 2010
Buku Teks