Citazione Stile APA (7a Edizione)

Drucker, P. Management (1st rev. ed.). Harper Collins, New York.

Citazione stile Chigago Style (17a edizione)

Drucker, Peter. Management. 1st rev. ed. Harper Collins, New York.

Citatione MLA (9a ed.)

Drucker, Peter. Management. 1st rev. ed. Harper Collins, New York.