Dyfyniad APA

NATIONAL PRODUCTIVITY COUNCIL. (1977). NATIONAL CONVENTION ON PRODUCTIVITY. NATIONAL PRODUCTIVITY COUNCIL.

Dyfyniad Arddull Chicago

NATIONAL PRODUCTIVITY COUNCIL. NATIONAL CONVENTION ON PRODUCTIVITY. NEW DELHI: NATIONAL PRODUCTIVITY COUNCIL, 1977.

Dyfyniad MLA

NATIONAL PRODUCTIVITY COUNCIL. NATIONAL CONVENTION ON PRODUCTIVITY. NATIONAL PRODUCTIVITY COUNCIL, 1977.

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