Gertler, P. 1. . . . .., & Gaag, J. v. d. (1990). The willingness to pay for medical care: Evidence from two developing countries. Published for the World Bank [by] Johns Hopkins University Press.
Citace podle Chicago (17th ed.)Gertler, Paul 1955- ., a J. van der Gaag. The Willingness to Pay for Medical Care: Evidence from Two Developing Countries. Baltimore: Published for the World Bank [by] Johns Hopkins University Press, 1990.
Citace podle MLA (9th ed.)Gertler, Paul 1955- ., a J. van der Gaag. The Willingness to Pay for Medical Care: Evidence from Two Developing Countries. Published for the World Bank [by] Johns Hopkins University Press, 1990.
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