APA način citiranja

Drucker,Peter F. (1985). Innovation and entrepreneurship: Practice and principles. Heinemann.

Čikaški stil citiranja

Drucker,Peter F. Innovation and Entrepreneurship: Practice and Principles. London: Heinemann, 1985.

MLA način citiranja

Drucker,Peter F. Innovation and Entrepreneurship: Practice and Principles. Heinemann, 1985.

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