Knox, F. M. (1965). The Knox standard guide to design and control of business forms. McGraw-Hill.
Cita Chicago Style (17a ed.)Knox, Frank M. The Knox Standard Guide to Design and Control of Business Forms. New York: McGraw-Hill, 1965.
Cita MLA (8a ed.)Knox, Frank M. The Knox Standard Guide to Design and Control of Business Forms. McGraw-Hill, 1965.
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