Organisation for Economic Co-operation and Development. (1981). The measurement of scientific and technical activities: Proposed standard practice for surveys of research and experimental development (4th ed.). Organisation for Economic Co-operation and Development sold by OECD Publications and Information Center].
Chicago Style (17th ed.) CitationOrganisation for Economic Co-operation and Development. The Measurement of Scientific and Technical Activities: Proposed Standard Practice for Surveys of Research and Experimental Development. 4th ed. Paris [Washington, D.C: Organisation for Economic Co-operation and Development sold by OECD Publications and Information Center], 1981.
MLA (9th ed.) CitationOrganisation for Economic Co-operation and Development. The Measurement of Scientific and Technical Activities: Proposed Standard Practice for Surveys of Research and Experimental Development. 4th ed. Organisation for Economic Co-operation and Development sold by OECD Publications and Information Center], 1981.