APA
WHO, . (1990). Evaluation of certain food additives and contaminants : 34th report of the joint FAO/WHO expert committee on food additives. auth., Geneva: .
Chicago
WHO, . 1990. Evaluation of certain food additives and contaminants : 34th report of the joint FAO/WHO expert committee on food additives. auth., Geneva: .
Harvard
WHO, . (1990). Evaluation of certain food additives and contaminants : 34th report of the joint FAO/WHO expert committee on food additives. auth., Geneva: .
MLA
WHO, . Evaluation of certain food additives and contaminants : 34th report of the joint FAO/WHO expert committee on food additives. auth., Geneva: . 1990.