Cita APA (7a ed.)
Webb, P., Bisrat, G., & Coppock, D. L. (1991). Food security and sustainable growth for pastoral systems in semi-arid Africa. German Foundation for International Development.
Cita Chicago Style (17a ed.)
Webb, P., G. Bisrat, y D. Layne Coppock. Food Security and Sustainable Growth for Pastoral Systems in Semi-arid Africa. German Foundation for International Development, 1991.
Cita MLA (9a ed.)
Webb, P., et al. Food Security and Sustainable Growth for Pastoral Systems in Semi-arid Africa. German Foundation for International Development, 1991.
Precaución: Estas citas no son 100% exactas.