Grigg, D. (1982). Agricultural systems of the worlds an evolutionary approach. Cambridge university press.
Chicago Edition CitationGrigg, D.B. Agricultural Systems of the Worlds an Evolutionary Approach. Cambridge: Cambridge university press, 1982.
MLA Edition CitationGrigg, D.B. Agricultural Systems of the Worlds an Evolutionary Approach. Cambridge university press, 1982.
Warning: These citations may not always be 100% accurate.