Cita APA (7a ed.)
Ehui, S. K., & Spencer, D. (1991). Indices for measuring the sustainability and economic viability of farming systems: RCMP research monograph, No. 3.
Cita Chicago Style (17a ed.)
Ehui, Simeon K., y D. Spencer. Indices for Measuring the Sustainability and Economic Viability of Farming Systems: RCMP Research Monograph, No. 3. 1991.
Cita MLA (9a ed.)
Ehui, Simeon K., y D. Spencer. Indices for Measuring the Sustainability and Economic Viability of Farming Systems: RCMP Research Monograph, No. 3. 1991.
Precaución: Estas citas no son 100% exactas.