Professional Book Publishers. (2019). The Sales Promotion Employees (Conditions of Service) Act, 1976 (11 of 1976). Professional Book Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रProfessional Book Publishers. The Sales Promotion Employees (Conditions of Service) Act, 1976 (11 of 1976). New Delhi: Professional Book Publishers, 2019.
एमएलए (9वां संस्करण) प्रशस्ति पत्रProfessional Book Publishers. The Sales Promotion Employees (Conditions of Service) Act, 1976 (11 of 1976). Professional Book Publishers, 2019.
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