Cita APA (7th ed.)

Drucker, P. F. (1986). Managing for results: Economic tasks and risk-taking decisions (1st Perennial Library ed.). Perennial Library.

Cita Chicago (17th ed.)

Drucker, Peter F. Managing for Results: Economic Tasks and Risk-taking Decisions. 1st Perennial Library ed. New York: Perennial Library, 1986.

Cita MLA (8th ed.)

Drucker, Peter F. Managing for Results: Economic Tasks and Risk-taking Decisions. 1st Perennial Library ed. Perennial Library, 1986.