Citazione Stile APA (7a Edizione)

Drucker, P. F. (1974). Management: Tasks responsibilities practices. Harper & row.

Citazione stile Chigago Style (17a edizione)

Drucker, Peter F. Management: Tasks Responsibilities Practices. New York: Harper & row, 1974.

Citatione MLA (9a ed.)

Drucker, Peter F. Management: Tasks Responsibilities Practices. Harper & row, 1974.