Drucker, P. F. (2017). The Theory of the Business. Harvard Business Review Press.
Citazione stile Chigago Style (17a edizione)Drucker, Peter F. The Theory of the Business. Boston, Massachesutts: Harvard Business Review Press, 2017.
Citatione MLA (9a ed.)Drucker, Peter F. The Theory of the Business. Harvard Business Review Press, 2017.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.