Podobné jednotky: Black Book - Retail Industry Trends (September 1978)
- Black Book - Retail Industry Trends (October 1978)
- Black Book - Retail Industry Trends (November 1978)
- Black Book - Retail Industry Trends (August 1978)
- Black Book - Restaurant Industry Trends (September 1978)
- Black Book - Restaurant Industry Trends (September 1980)
- Black Book - Retail Monthly (September 1992)