Vijverberg, W. P. (1991). Measuring income from family enterprises with household surveys. World Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVijverberg, Wim P.M. Measuring Income from Family Enterprises with Household Surveys. Washington: World Bank, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVijverberg, Wim P.M. Measuring Income from Family Enterprises with Household Surveys. World Bank, 1991.
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