Não informado. (2018). The Petroleum Situation. Chase Manhattan Bank, Energy Economics Division.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. The Petroleum Situation. New York: Chase Manhattan Bank, Energy Economics Division, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. The Petroleum Situation. Chase Manhattan Bank, Energy Economics Division, 2018.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.