Vanness, R. G. (1967). Principles of punched card data processing. Harperce row publishers.
Chicago Edition CitationVanness, Robert G. Principles of Punched Card Data Processing. New York: Harperce row publishers, 1967.
MLA Edition CitationVanness, Robert G. Principles of Punched Card Data Processing. Harperce row publishers, 1967.
Warning: These citations may not always be 100% accurate.