Dyfyniad APA

ARNOLD,Chester A. (1947). AN INTRODUCTION TO PALEOBOTANY. McGRAW - HILL BOOK COMPANY,Inc.

Dyfyniad Arddull Chicago

ARNOLD,Chester A. AN INTRODUCTION TO PALEOBOTANY. NEW YORK: McGRAW - HILL BOOK COMPANY,Inc, 1947.

Dyfyniad MLA

ARNOLD,Chester A. AN INTRODUCTION TO PALEOBOTANY. McGRAW - HILL BOOK COMPANY,Inc, 1947.

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