Samper, M. (1990). Generations of settlers: Rural households and markets on the Costa Rican Frontier, 1850-1935. Westview Pr..
Chicago-viite (17. p.)Samper, Mario. Generations of Settlers: Rural Households and Markets on the Costa Rican Frontier, 1850-1935. Boulder, Colo.: Westview Pr., 1990.
MLA-viite (9. p.)Samper, Mario. Generations of Settlers: Rural Households and Markets on the Costa Rican Frontier, 1850-1935. Westview Pr., 1990.
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