Grigg, D. (1974). Agricultural systems of the world: An evolutionary approach. Cambridge University Press.
Chicago Edition CitationGrigg, D.B. Agricultural Systems of the World: An Evolutionary Approach. Cambridge: Cambridge University Press, 1974.
MLA Edition CitationGrigg, D.B. Agricultural Systems of the World: An Evolutionary Approach. Cambridge University Press, 1974.
Warning: These citations may not always be 100% accurate.