Drucker, P. F. (2001). The Essential Drucker. Butterworth- Heinemann.
Chicago Style (17th ed.) CitationDrucker, Peter F. The Essential Drucker. New Delhi: Butterworth- Heinemann, 2001.
MLA (9th ed.) CitationDrucker, Peter F. The Essential Drucker. Butterworth- Heinemann, 2001.
Warning: These citations may not always be 100% accurate.