APA (7th ed.) Citation

Drucker. (1985). Innovation ang Entrepreneurship. Heinemann.

Chicago Style (17th ed.) Citation

Drucker. Innovation Ang Entrepreneurship. London: Heinemann, 1985.

MLA (8th ed.) Citation

Drucker. Innovation Ang Entrepreneurship. Heinemann, 1985.

Warning: These citations may not always be 100% accurate.