Dyfyniad APA

(1990). Principles for the toxicological assessment of pesticide residues in food. World Health Organization.

Dyfyniad Arddull Chicago

Principles for the Toxicological Assessment of Pesticide Residues in Food. Geneva: World Health Organization, 1990.

Dyfyniad MLA

Principles for the Toxicological Assessment of Pesticide Residues in Food. World Health Organization, 1990.

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