Professional Book Publishers. (2019). The Contract Labour (Regulation and Abolition) Act, 1970 (37 of 1970). Professional Book Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रProfessional Book Publishers. The Contract Labour (Regulation and Abolition) Act, 1970 (37 of 1970). New Delhi: Professional Book Publishers, 2019.
एमएलए (9वां संस्करण) प्रशस्ति पत्रProfessional Book Publishers. The Contract Labour (Regulation and Abolition) Act, 1970 (37 of 1970). Professional Book Publishers, 2019.
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