Cita APA (7th ed.)

Drucker, P. F. (1977). People and performance: The best of Peter Drucker on management. Harper's College Press.

Cita Chicago (17th ed.)

Drucker, Peter Ferdinand. People and Performance: The Best of Peter Drucker on Management. New York: Harper's College Press, 1977.

Cita MLA (9th ed.)

Drucker, Peter Ferdinand. People and Performance: The Best of Peter Drucker on Management. Harper's College Press, 1977.