Sanderson, M. (1981). What's the problem heren: Time-saving problem-solving techniques for the manager. Executive Enterprises Pub.
Dyfyniad Arddull ChicagoSanderson, Michael. What's the Problem Heren: Time-saving Problem-solving Techniques for the Manager. New York: Executive Enterprises Pub, 1981.
Dyfyniad MLASanderson, Michael. What's the Problem Heren: Time-saving Problem-solving Techniques for the Manager. Executive Enterprises Pub, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.