Organisation for Economic Co-operation and Development. Environment Directorate & Technical Conference on the Unintended Occurrence of Pesticides. (1970). Joint O.E.C.D./T.N.O. Conference on Occurrence and significance of Pesticide Residues in the Environment, Helvoirt, Netherlands, 15th-18th September, 1969.
Chicago Style (17th ed.) CitationOrganisation for Economic Co-operation and Development. Environment Directorate and Technical Conference on the Unintended Occurrence of Pesticides. Joint O.E.C.D./T.N.O. Conference on Occurrence and Significance of Pesticide Residues in the Environment, Helvoirt, Netherlands, 15th-18th September, 1969. Paris, 1970.
MLA (9th ed.) CitationOrganisation for Economic Co-operation and Development. Environment Directorate and Technical Conference on the Unintended Occurrence of Pesticides. Joint O.E.C.D./T.N.O. Conference on Occurrence and Significance of Pesticide Residues in the Environment, Helvoirt, Netherlands, 15th-18th September, 1969. 1970.