APA
Organisation for Economic Co-operation and Development, . (1965). O.E.C.D. Scheme for the varietal certification of herbage seed movin g in international trade. Paris: .
Chicago
Organisation for Economic Co-operation and Development, . 1965. O.E.C.D. Scheme for the varietal certification of herbage seed movin g in international trade. Paris: .
Harvard
Organisation for Economic Co-operation and Development, . (1965). O.E.C.D. Scheme for the varietal certification of herbage seed movin g in international trade. Paris: .
MLA
Organisation for Economic Co-operation and Development, . O.E.C.D. Scheme for the varietal certification of herbage seed movin g in international trade. Paris: . 1965.