Cita APA (7a ed.)

Drucker, P. F. (2017). The Theory of the Business. Harvard Business Review Press.

Cita Chicago Style (17a ed.)

Drucker, Peter F. The Theory of the Business. Boston, Massachesutts: Harvard Business Review Press, 2017.

Cita MLA (9a ed.)

Drucker, Peter F. The Theory of the Business. Harvard Business Review Press, 2017.