APA (7th ed.) Citation

E.C, O. (1979). Data processing: An Instructional manual for Business and Accountacy students. D.P. Publications.

Chicago Style (17th ed.) Citation

E.C, Oliver. Data Processing: An Instructional Manual for Business and Accountacy Students. D.P. Publications, 1979.

MLA (8th ed.) Citation

E.C, Oliver. Data Processing: An Instructional Manual for Business and Accountacy Students. D.P. Publications, 1979.

Warning: These citations may not always be 100% accurate.