Birch, P., & Clegg, B. (1996). Business creativity: A guide for managers. Kogan Page.
Čikaški stil citiranjaBirch, Paul, i Brian Clegg. Business Creativity: A Guide for Managers. New Delhi: Kogan Page, 1996.
MLA način citiranjaBirch, Paul, i Brian Clegg. Business Creativity: A Guide for Managers. Kogan Page, 1996.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.