Birch, P., & Clegg, B. (1996). Business creativity: A guide for managers. Kogan Page.
Dyfyniad Arddull ChicagoBirch, Paul, and Brian Clegg. Business Creativity: A Guide for Managers. New Delhi: Kogan Page, 1996.
Dyfyniad MLABirch, Paul, and Brian Clegg. Business Creativity: A Guide for Managers. Kogan Page, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.