Gaya APA
Summers, Edward Lee. (1989).
Accounting information systems .
s.l.:
Houghton Mifflin.
Gaya Chicago
Summers, Edward Lee.
Accounting information systems.
s.l.:
Houghton Mifflin,
1989.
Text.
Gaya MLA
Summers, Edward Lee.
Accounting information systems.
s.l.:
Houghton Mifflin,
1989.
Text.
Gaya Turabian
Summers, Edward Lee.
Accounting information systems.
s.l.:
Houghton Mifflin,
1989.
Print.