Organization for Economic Co-operation and Development. (1969). Gaps in technology. Paris: OECD.
استشهاد بنمط شيكاغوOrganization for Economic Co-operation and Development. Gaps in Technology. Paris: OECD, 1969.
MLA استشهادOrganization for Economic Co-operation and Development. Gaps in Technology. Paris: OECD, 1969.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.