Gaya APA

Essential of Data Processing. (1987). USA: Time Mirror/Mosby College.

Gaya Chicago

Essential of Data Processing. . USA: Time Mirror/Mosby College, 1987. .

Gaya MLA

Essential of Data Processing. . USA: Time Mirror/Mosby College, 1987. .

Gaya Turabian

Essential of Data Processing. USA: Time Mirror/Mosby College, 1987. .