Gaya APA
O'leary, T.J., Williams, Brian K.. (1989).
Computers and information systems (2nd ed.).
Redwood city, California:
The Benjamin/Cummings.
Gaya Chicago
O'leary, T.J., Williams, Brian K..
Computers and information systems.
2nd ed.
Redwood city, California:
The Benjamin/Cummings,
1989.
Text.
Gaya MLA
O'leary, T.J., Williams, Brian K..
Computers and information systems.
2nd ed.
Redwood city, California:
The Benjamin/Cummings,
1989.
Text.
Gaya Turabian
O'leary, T.J., Williams, Brian K..
Computers and information systems.
2nd ed.
Redwood city, California:
The Benjamin/Cummings,
1989.
Print.