Lester, G. C. (1983). Data processing. Arenabuku.
Chicago Style (17th ed.) CitationLester, Graham C. Data Processing. Kuala Lumpur: Arenabuku, 1983.
MLA (9th ed.) CitationLester, Graham C. Data Processing. Arenabuku, 1983.
Warning: These citations may not always be 100% accurate.