APA استشهاد

Organisation for Economic Co-operation and Development. (1978). Clean fuel supply. OECD.

استشهاد بنمط شيكاغو

Organisation for Economic Co-operation and Development. Clean Fuel Supply. Paris: OECD, 1978.

MLA استشهاد

Organisation for Economic Co-operation and Development. Clean Fuel Supply. OECD, 1978.