American Society of Mechanical Engineers, American Society of Mechanical Engineers, United States of America Standards Institute, & United States of America Standards Institute. (1970). Punches: Variable, head type. New York, New York: The Society.
Chicago Style CitationAmerican Society of Mechanical Engineers, American Society of Mechanical Engineers, United States of America Standards Institute, and United States of America Standards Institute. Punches: Variable, Head Type. New York, New York: The Society, 1970.
MLA CitationAmerican Society of Mechanical Engineers, American Society of Mechanical Engineers, United States of America Standards Institute, and United States of America Standards Institute. Punches: Variable, Head Type. New York, New York: The Society, 1970.