APA
LEARY T. O., . (2014). COMPUTING ESSENTIALS. U.S.A: MC GRAW HILL EDUCATION.
Chicago
LEARY TIMOTHY O', . 2014. COMPUTING ESSENTIALS. U.S.A: MC GRAW HILL EDUCATION.
Harvard
LEARY T. O., . (2014). COMPUTING ESSENTIALS. U.S.A: MC GRAW HILL EDUCATION.
MLA
LEARY TIMOTHY O', . COMPUTING ESSENTIALS. U.S.A: MC GRAW HILL EDUCATION. 2014.