APA (7e ed.) Bronvermelding

Wartzman, R. (2012). What would Drucker do now: Solutions to today's toughest challenges from the father of modern management. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Wartzman, Rick. What Would Drucker Do Now: Solutions to Today's Toughest Challenges from the Father of Modern Management. New York, NY: McGraw-Hill, 2012.

MLA (9e ed.) Bronvermelding

Wartzman, Rick. What Would Drucker Do Now: Solutions to Today's Toughest Challenges from the Father of Modern Management. McGraw-Hill, 2012.