Dyfyniad APA

(1991). Business leader. Raleigh, NC: Business to Business, Inc..

Dyfyniad Arddull Chicago

Business Leader. Raleigh, NC: Business to Business, Inc., 1991.

Dyfyniad MLA

Business Leader. Raleigh, NC: Business to Business, Inc., 1991.

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