Singapore. Department of Statistics. (1978). Singapore input-output tables 1973. The Department.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSingapore. Department of Statistics. Singapore Input-output Tables 1973. Singapore: The Department, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSingapore. Department of Statistics. Singapore Input-output Tables 1973. The Department, 1978.
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