ARNOLD, C. A. (1947). An introduction to paleobotany. McGraw Hill.
Chicagoスタイル(17版)引用形式ARNOLD, Chester A. An Introduction to Paleobotany. McGraw Hill, 1947.
MLA(8版)引用形式ARNOLD, Chester A. An Introduction to Paleobotany. McGraw Hill, 1947.
警告: この引用は必ずしも正確ではありません.