Wartzman, R. (2012). What would Drucker do now?: Solutions to today's toughest challenges from the father of modern management. McGraw-Hill.
Cita Chicago (17th ed.)Wartzman, Rick. What Would Drucker Do Now?: Solutions to Today's Toughest Challenges from the Father of Modern Management. New York: McGraw-Hill, 2012.
Cita MLA (9th ed.)Wartzman, Rick. What Would Drucker Do Now?: Solutions to Today's Toughest Challenges from the Father of Modern Management. McGraw-Hill, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.