Gaya APA
Gregory, Robert H.. (1968).
Business data processing and programming .
:
Wadsworth Pub.Co..
Gaya Chicago
Gregory, Robert H..
Business data processing and programming.
:
Wadsworth Pub.Co.,
1968.
Text.
Gaya MLA
Gregory, Robert H..
Business data processing and programming.
:
Wadsworth Pub.Co.,
1968.
Text.
Gaya Turabian
Gregory, Robert H..
Business data processing and programming.
:
Wadsworth Pub.Co.,
1968.
Print.