Girschik, K. (2006). Machine-readable codes: The Swiss retailer Migros and the quest for flow velocity since the mid 1960s.
Chicago Style (17th ed.) CitationGirschik, Katja. Machine-readable Codes: The Swiss Retailer Migros and the Quest for Flow Velocity Since the Mid 1960s. 2006.
MLA (9th ed.) CitationGirschik, Katja. Machine-readable Codes: The Swiss Retailer Migros and the Quest for Flow Velocity Since the Mid 1960s. 2006.
Warning: These citations may not always be 100% accurate.