Organisation for Economic Co-operation and Development. (1979). Trends in industrial R&D in selected OECD member countries, 1967-1975. Paris: Organisation for Economic Co-operation and Development.
استشهاد بنمط شيكاغوOrganisation for Economic Co-operation and Development. Trends in Industrial R&D in Selected OECD Member Countries, 1967-1975. Paris: Organisation for Economic Co-operation and Development, 1979.
MLA استشهادOrganisation for Economic Co-operation and Development. Trends in Industrial R&D in Selected OECD Member Countries, 1967-1975. Paris: Organisation for Economic Co-operation and Development, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.