Herrmann, I. A. (1956). Manual of office reproduction: Reproduction processes, systems duplicating, imprinting methods. Office Publications Company.
Chicago-Zitierstil (17. Ausg.)Herrmann, Irvin Albert. Manual of Office Reproduction: Reproduction Processes, Systems Duplicating, Imprinting Methods. New York: Office Publications Company, 1956.
MLA-Zitierstil (9. Ausg.)Herrmann, Irvin Albert. Manual of Office Reproduction: Reproduction Processes, Systems Duplicating, Imprinting Methods. Office Publications Company, 1956.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.