Dyfyniad APA

Lepp, N. W. (1981). Effect of heavy metal pollution on plants. Applied Science Publishers.

Dyfyniad Arddull Chicago

Lepp, N W. Effect of Heavy Metal Pollution on Plants. London: Applied Science Publishers, 1981.

Dyfyniad MLA

Lepp, N W. Effect of Heavy Metal Pollution on Plants. Applied Science Publishers, 1981.

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