Citazione Stile APA (7a Edizione)

Harvard Business Review. (1991). Motivation. Harvard Business School Publishing.

Citazione stile Chigago Style (17a edizione)

Harvard Business Review. Motivation. Boston, Mass: Harvard Business School Publishing, 1991.

Citatione MLA (9a ed.)

Harvard Business Review. Motivation. Harvard Business School Publishing, 1991.