Vanness, R. G. (1967). Principles of punched card data processing. Harperce row publishers.
Chicago ZitierstilVanness, Robert G. Principles of Punched Card Data Processing. New York: Harperce row publishers, 1967.
MLA ZitierstilVanness, Robert G. Principles of Punched Card Data Processing. Harperce row publishers, 1967.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.