Drucker, P. F. (1998). Adventures of a bystander. John Wiley.
Cita Chicago (17th ed.)Drucker, Peter F. Adventures of a Bystander. New York: John Wiley, 1998.
Cita MLA (8th ed.)Drucker, Peter F. Adventures of a Bystander. John Wiley, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.