Vijverberg, W. P. (1991). Dual selection criteria with multiple alternatives: Migration, work status, and wages. World Bank.
Cita Chicago (17th ed.)Vijverberg, Wim P.M. Dual Selection Criteria with Multiple Alternatives: Migration, Work Status, and Wages. Washington: World Bank, 1991.
Cita MLA (9th ed.)Vijverberg, Wim P.M. Dual Selection Criteria with Multiple Alternatives: Migration, Work Status, and Wages. World Bank, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.