Dyfyniad APA

Drucker, P. F. (1993). Post-capitalist society (First edition.). HarperBusiness.

Dyfyniad Arddull Chicago

Drucker, Peter F. Post-capitalist Society. First edition. New York, NY: HarperBusiness, 1993.

Dyfyniad MLA

Drucker, Peter F. Post-capitalist Society. First edition. HarperBusiness, 1993.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.