Vijverberg, W. P. (1991). Measuring income from family enterprises with household surveys. World Bank.
Chicago-referens (17:e uppl.)Vijverberg, Wim P.M. Measuring Income from Family Enterprises with Household Surveys. Washington: World Bank, 1991.
MLA-referens (9:e uppl.)Vijverberg, Wim P.M. Measuring Income from Family Enterprises with Household Surveys. World Bank, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.