Cita APA

Anderson, J. R. 1., Hazell, P. B. R. 1., & Evans, L. T. (1987). Variability of cereal yields: Sources of change and implications for agricultural research and policy. Washington, D.C.: IFPRI.

Citación estilo Chicago

Anderson, Jock R. 1941-, Peter B. R. 1944 Hazell, y Lloyd Thomas Evans. Variability of Cereal Yields: Sources of Change and Implications for Agricultural Research and Policy. Washington, D.C.: IFPRI, 1987.

Cita MLA

Anderson, Jock R. 1941-, Peter B. R. 1944 Hazell, y Lloyd Thomas Evans. Variability of Cereal Yields: Sources of Change and Implications for Agricultural Research and Policy. Washington, D.C.: IFPRI, 1987.