Shively, G. E. (1996). Land degradation, soil conservation and risk: Evidence from a dynamic model of Philippine upland agriculture. The Claremont Graduate University.
Cita Chicago (17th ed.)Shively, Gerald E. Land Degradation, Soil Conservation and Risk: Evidence from a Dynamic Model of Philippine Upland Agriculture. Ann Arbor: The Claremont Graduate University, 1996.
Cita MLA (9th ed.)Shively, Gerald E. Land Degradation, Soil Conservation and Risk: Evidence from a Dynamic Model of Philippine Upland Agriculture. The Claremont Graduate University, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.