Bews, J. (1929). The world's grasses: Their differentiation, distribution economics and ecology. Longmans, Green.
Čikaški stil citiranja (17. izdanje)Bews, J.W. The World's Grasses: Their Differentiation, Distribution Economics and Ecology. London: Longmans, Green, 1929.
MLA način citiranja (9. izdanje)Bews, J.W. The World's Grasses: Their Differentiation, Distribution Economics and Ecology. Longmans, Green, 1929.
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