APA-viite (7. p.)

Pearce, C. L. (2010). The Drucker difference: What the Word`s greatest management thinker means to today`s business leaders. Tata McGraw Hill Publ.

Chicago-viite (17. p.)

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.

MLA-viite (9. p.)

Pearce, Craig L. The Drucker Difference: What the Word`s Greatest Management Thinker Means to Today`s Business Leaders. Tata McGraw Hill Publ, 2010.