Dyfyniad APA

Bews, J. (1929). The world's grasses: Their differentiation, distribution economics and ecology. Longmans, Green.

Dyfyniad Arddull Chicago

Bews, J.W. The World's Grasses: Their Differentiation, Distribution Economics and Ecology. London: Longmans, Green, 1929.

Dyfyniad MLA

Bews, J.W. The World's Grasses: Their Differentiation, Distribution Economics and Ecology. Longmans, Green, 1929.

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