Citação norma APA

Drucker, P. F. (2008). The Essential Drucker: The Best of Sixty Years of Peter Drucker's Essential Writings on Management. Harper Business.

Citação norma Chicago

Drucker, Peter F. The Essential Drucker: The Best of Sixty Years of Peter Drucker's Essential Writings on Management. New York: Harper Business, 2008.

Citação norma MLA

Drucker, Peter F. The Essential Drucker: The Best of Sixty Years of Peter Drucker's Essential Writings on Management. Harper Business, 2008.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.