Drucker,Petere F. (1986). Innovation and entrepreneurship: Practice and principles. Affiliated East-West Press Pvt. Ltd.
Čikaški stil citiranjaDrucker,Petere F. Innovation and Entrepreneurship: Practice and Principles. New Delhi: Affiliated East-West Press Pvt. Ltd, 1986.
MLA način citiranjaDrucker,Petere F. Innovation and Entrepreneurship: Practice and Principles. Affiliated East-West Press Pvt. Ltd, 1986.
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