(1968). Gaps in technology between member countries: General report. Paris: OECD.
استشهاد بنمط شيكاغوGaps in Technology between Member Countries: General Report. Paris: OECD, 1968.
MLA استشهادGaps in Technology between Member Countries: General Report. Paris: OECD, 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.