Deismireacht APA

Simmons, I. G. (1981). ecology of natural resources (2nd ed.). English Language Book Society.

Chicago Edition Citation

Simmons, I G. Ecology of Natural Resources. 2nd ed. London: English Language Book Society, 1981.

Deismireacht MLA

Simmons, I G. Ecology of Natural Resources. 2nd ed. English Language Book Society, 1981.

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