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Dyfyniad Arddull ChicagoHiebert, Larry Dean. Risk, Tenure, and Resource Allocation in Low Income Agriculture. [Madison, Wisconsin]: University of Wisconsin, 1972.
Dyfyniad MLAHiebert, Larry Dean. Risk, Tenure, and Resource Allocation in Low Income Agriculture. University of Wisconsin, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.