Current Labour Reports. (2015). Yearly Labour Digest 2015. CLR.
Dyfyniad Arddull ChicagoCurrent Labour Reports. Yearly Labour Digest 2015. Mumbai: CLR, 2015.
Dyfyniad MLACurrent Labour Reports. Yearly Labour Digest 2015. CLR, 2015.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.