Palmer, R. C. (2010). The bar code book: A comprehensive guide to reading, printing, specifying, evaluating, and using bar code and other machine-readable symbols (5. ed., [rev., updated and expanded, Nachdr.].). Trafford.
Chicago-Zitierstil (17. Ausg.)Palmer, Roger C. The Bar Code Book: A Comprehensive Guide to Reading, Printing, Specifying, Evaluating, and Using Bar Code and Other Machine-readable Symbols. 5. ed., [rev., updated and expanded, Nachdr.]. Victoria, BC: Trafford, 2010.
MLA-Zitierstil (9. Ausg.)Palmer, Roger C. The Bar Code Book: A Comprehensive Guide to Reading, Printing, Specifying, Evaluating, and Using Bar Code and Other Machine-readable Symbols. 5. ed., [rev., updated and expanded, Nachdr.]. Trafford, 2010.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.