Cita APA (7th ed.)
Drucker, P. F. (1977). An introductory view of management. Harper's College Press.
Cita Chicago (17th ed.)
Drucker, Peter Ferdinand. An Introductory View of Management. New York: Harper's College Press, 1977.
Cita MLA (9th ed.)
Drucker, Peter Ferdinand. An Introductory View of Management. Harper's College Press, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.