Birla Institute of Scientific Research, E. R. D. (1975). World economic profile: Selected countries. Macmillan Co.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBirla Institute of Scientific Research, Economic Research Division. World Economic Profile: Selected Countries. Macmillan Co, 1975.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBirla Institute of Scientific Research, Economic Research Division. World Economic Profile: Selected Countries. Macmillan Co, 1975.
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