Drucker, P. F. (1969). The age of discontinuity; guidelines to our changing society. New York: Harper & Row.
Citación estilo ChicagoDrucker, Peter F. The Age of Discontinuity; Guidelines to Our Changing Society. New York: Harper & Row, 1969.
Cita MLADrucker, Peter F. The Age of Discontinuity; Guidelines to Our Changing Society. New York: Harper & Row, 1969.
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