Dyfyniad APA

STEBBINS,Ledyard.G. (1950). VARIATION AND EVOLUTION IN PLANT. COLUMBIA UNIVERSITY PRESS.

Dyfyniad Arddull Chicago

STEBBINS,Ledyard.G. VARIATION AND EVOLUTION IN PLANT. NEW YORK: COLUMBIA UNIVERSITY PRESS, 1950.

Dyfyniad MLA

STEBBINS,Ledyard.G. VARIATION AND EVOLUTION IN PLANT. COLUMBIA UNIVERSITY PRESS, 1950.

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