Dyfyniad APA

Ferrell, R. W. (1972). Managing opportunity. American Management Association.

Dyfyniad Arddull Chicago

Ferrell, Robert W. Managing Opportunity. U.S.A: American Management Association, 1972.

Dyfyniad MLA

Ferrell, Robert W. Managing Opportunity. American Management Association, 1972.

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