APA aipamena

Gaddie, R. E. (1977). Earthworms for ecology & profit. Ontario, Calif: Bookworm Publishing.

Chicago Style aipamena

Gaddie, Ronald E. Earthworms for Ecology & Profit. Ontario, Calif: Bookworm Publishing, 1977.

MLA aipamena

Gaddie, Ronald E. Earthworms for Ecology & Profit. Ontario, Calif: Bookworm Publishing, 1977.

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