Dyfyniad APA

(1977). Mangagawa. Office of Manpower Services, Department of Labor.

Dyfyniad Arddull Chicago

Mangagawa. s.l: Office of Manpower Services, Department of Labor, 1977.

Dyfyniad MLA

Mangagawa. Office of Manpower Services, Department of Labor, 1977.

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