Citazione Stile APA (7a Edizione)

Drucker, P. F. (1982). The changing world of the executive. Times Books.

Citazione stile Chigago Style (17a edizione)

Drucker, Peter Ferdinand. The Changing World of the Executive. New York, N.Y: Times Books, 1982.

Citatione MLA (9a ed.)

Drucker, Peter Ferdinand. The Changing World of the Executive. Times Books, 1982.