Singh, R. G., & Sharma, R. (2003). Child labour in the glass bangle industry of Firozabad. V.V. Giri National Labour Institute.
Dyfyniad Arddull ChicagoSingh, Ruma Ghosh, and Rajeev Sharma. Child Labour in the Glass Bangle Industry of Firozabad. Noida: V.V. Giri National Labour Institute, 2003.
Dyfyniad MLASingh, Ruma Ghosh, and Rajeev Sharma. Child Labour in the Glass Bangle Industry of Firozabad. V.V. Giri National Labour Institute, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.