Dyfyniad APA

Fenchel, T. (1987). Ecology-potentials and limitations. Ecology Institute.

Dyfyniad Arddull Chicago

Fenchel, Tom. Ecology-potentials and Limitations. Berlín: Ecology Institute, 1987.

Dyfyniad MLA

Fenchel, Tom. Ecology-potentials and Limitations. Ecology Institute, 1987.

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