Παραπομπή APA

Drucker,Petere F. (1986). Innovation and entrepreneurship: Practice and principles. Affiliated East-West Press Pvt. Ltd.

Παραπομπή Chicago Style

Drucker,Petere F. Innovation and Entrepreneurship: Practice and Principles. New Delhi: Affiliated East-West Press Pvt. Ltd, 1986.

Παραπομπή MLA

Drucker,Petere F. Innovation and Entrepreneurship: Practice and Principles. Affiliated East-West Press Pvt. Ltd, 1986.