Dyfyniad APA

MacDougall, I. A., & Vickery, K. (1951). Toxic Chemicals in Agriculture.

Dyfyniad Arddull Chicago

MacDougall, I. A., and K. Vickery. Toxic Chemicals in Agriculture. 1951.

Dyfyniad MLA

MacDougall, I. A., and K. Vickery. Toxic Chemicals in Agriculture. 1951.

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