Cita APA

Drucker, P. F. (2001). The Essential Drucker. Butterworth- Heinemann.

Citación estilo Chicago

Drucker, Peter F. The Essential Drucker. New Delhi: Butterworth- Heinemann, 2001.

Cita MLA

Drucker, Peter F. The Essential Drucker. Butterworth- Heinemann, 2001.

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