Cita APA (7th ed.)

Pearce, C. L., Marciariello, J. A., & Yamawaki, H. (2010). The Drucker difference: What the world's greatest management thinker means to today's businesss leader. McGraw-Hill.

Cita Chicago (17th ed.)

Pearce, Craig L., Joseph A. Marciariello, i Hideki Yamawaki. The Drucker Difference: What the World's Greatest Management Thinker Means to Today's Businesss Leader. New York: McGraw-Hill, 2010.

Cita MLA (9th ed.)

Pearce, Craig L., et al. The Drucker Difference: What the World's Greatest Management Thinker Means to Today's Businesss Leader. McGraw-Hill, 2010.