Mathrubutham, R. S. (1979). Factories and labour manual ( Volume 1 ) (5th revised ed.). Wadhwa and Company.
استشهاد بنمط شيكاغوMathrubutham, R Srinivasan. Factories and Labour Manual ( Volume 1 ). 5th revised ed. Agra: Wadhwa and Company, 1979.
MLA استشهادMathrubutham, R Srinivasan. Factories and Labour Manual ( Volume 1 ). 5th revised ed. Wadhwa and Company, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.