Mathrubutham, R. S. (1979). Factories and labour manual ( Volume 1 ) (5th revised ed.). Wadhwa and Company.
Dyfyniad Arddull ChicagoMathrubutham, R Srinivasan. Factories and Labour Manual ( Volume 1 ). 5th revised ed. Agra: Wadhwa and Company, 1979.
Dyfyniad MLAMathrubutham, R Srinivasan. Factories and Labour Manual ( Volume 1 ). 5th revised ed. Wadhwa and Company, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.