APA

Timothy J. O'Leary L. I. O. D. A. O., . (2019). Computing Essentials. New York: McGraw-Hill Education.

Chicago

Timothy J. O'Leary Linda I O'Leary Daniel A O'Leary, . 2019. Computing Essentials. New York: McGraw-Hill Education.

Harvard

Timothy J. O'Leary L. I. O. D. A. O., . (2019). Computing Essentials. New York: McGraw-Hill Education.

MLA

Timothy J. O'Leary Linda I O'Leary Daniel A O'Leary, . Computing Essentials. New York: McGraw-Hill Education. 2019.