Dyfyniad APA

(1967). Board of directors and effective management. McGraw Hill.

Dyfyniad Arddull Chicago

Board of Directors and Effective Management. New York: McGraw Hill, 1967.

Dyfyniad MLA

Board of Directors and Effective Management. McGraw Hill, 1967.

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