Professional. (2019). Petroleum Act, 1934 alongwith Rules, 2002. Professional Book Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रProfessional. Petroleum Act, 1934 Alongwith Rules, 2002. Professional Book Publishers, 2019.
एमएलए (9वां संस्करण) प्रशस्ति पत्रProfessional. Petroleum Act, 1934 Alongwith Rules, 2002. Professional Book Publishers, 2019.
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