Citazione Stile APA (7a Edizione)

Drucker P. (2010). The Changing World of the Executive. Harvard Bus.Sch Pub.

Citazione stile Chigago Style (17a edizione)

Drucker P. The Changing World of the Executive. Boston: Harvard Bus.Sch Pub, 2010.

Citatione MLA (9a ed.)

Drucker P. The Changing World of the Executive. Harvard Bus.Sch Pub, 2010.