Pearce, C. L. (2010). The Drucker difference: What the Word`s greatest management thinker means to today`s business leaders. Tata McGraw Hill Publ.
Cita Chicago (17th ed.)Pearce, Craig L. The Drucker Difference: What the Word`s Greatest Management Thinker Means to Today`s Business Leaders. New delhi: Tata McGraw Hill Publ, 2010.
Cita MLA (9th ed.)Pearce, Craig L. The Drucker Difference: What the Word`s Greatest Management Thinker Means to Today`s Business Leaders. Tata McGraw Hill Publ, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.