Gaya APA
Flaatten, Per O. (1989).
Foundations of business systems (1).
chicago:
the dryden press.
Gaya Chicago
Flaatten, Per O.
Foundations of business systems.
1
chicago:
the dryden press,
1989.
Text.
Gaya MLA
Flaatten, Per O.
Foundations of business systems.
1
chicago:
the dryden press,
1989.
Text.
Gaya Turabian
Flaatten, Per O.
Foundations of business systems.
1
chicago:
the dryden press,
1989.
Print.