Dyfyniad APA

C A Edwards. (1973). Persistent Pesticides in the Environment (2.). CRC press Inc.

Dyfyniad Arddull Chicago

C A Edwards. Persistent Pesticides in the Environment. 2. CRC press Inc, 1973.

Dyfyniad MLA

C A Edwards. Persistent Pesticides in the Environment. 2. CRC press Inc, 1973.

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