Dyfyniad APA

(1975). International institute for labour studies. Geneva: International institute for labour studies.

Dyfyniad Arddull Chicago

International Institute for Labour Studies. Geneva: International institute for labour studies, 1975.

Dyfyniad MLA

International Institute for Labour Studies. Geneva: International institute for labour studies, 1975.

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