APA
World Health Organization, . (1990). Principles for the toxicological assessment of pesticide residues in food. World Health Organization, Geneva: .
Chicago
World Health Organization, . 1990. Principles for the toxicological assessment of pesticide residues in food. World Health Organization, Geneva: .
Harvard
World Health Organization, . (1990). Principles for the toxicological assessment of pesticide residues in food. World Health Organization, Geneva: .
MLA
World Health Organization, . Principles for the toxicological assessment of pesticide residues in food. World Health Organization, Geneva: . 1990.