Hein, L. W. (1961). An introduction to electronic data processing for business. Van Nostrand.
Chicago Style (17. basım) AtıfHein, Leonard W. An Introduction to Electronic Data Processing for Business. Princeton, N. J: Van Nostrand, 1961.
MLA (9th ed.) AtıfHein, Leonard W. An Introduction to Electronic Data Processing for Business. Van Nostrand, 1961.
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