Cita APA (7a ed.)
Drucker, P. F. The Ecological Vision: Reflections on the American Condition. Transaction.
Cita estilo Chicago (17a ed.)
Drucker, Peter F. The Ecological Vision: Reflections on the American Condition. New Brunswick, EUA: Transaction.
Cita MLA (9a ed.)
Drucker, Peter F. The Ecological Vision: Reflections on the American Condition. Transaction.
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