Hazell, P., & Hazell, P. (1985). Sources of increased variability in world cereal production since the 1960s. Washington: International Food Policy Research Institute.
Chicago Style CitationHazell, P.B.R., and P.B.R Hazell. Sources of Increased Variability in World Cereal Production Since the 1960s. Washington: International Food Policy Research Institute, 1985.
MLA CitationHazell, P.B.R., and P.B.R Hazell. Sources of Increased Variability in World Cereal Production Since the 1960s. Washington: International Food Policy Research Institute, 1985.
Warning: These citations may not always be 100% accurate.