DRUCKER PETER F. (1985). INNOVATION AND ENTREPRENEURSHIP PRACTICE AND PRINCIPLES. HEINEMAN OXFORD & IBM PUB CO.PVT LTD.
Dyfyniad Arddull ChicagoDRUCKER PETER F. INNOVATION AND ENTREPRENEURSHIP PRACTICE AND PRINCIPLES. LONDON: HEINEMAN OXFORD & IBM PUB CO.PVT LTD, 1985.
Dyfyniad MLADRUCKER PETER F. INNOVATION AND ENTREPRENEURSHIP PRACTICE AND PRINCIPLES. HEINEMAN OXFORD & IBM PUB CO.PVT LTD, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.