Wyatt, G. (1986). The economics of invention: A study of the determinants of inventive activity. Brighton: Harvester Press.
استشهاد بنمط شيكاغوWyatt, Geoffrey. The Economics of Invention: A Study of the Determinants of Inventive Activity. Brighton: Harvester Press, 1986.
MLA استشهادWyatt, Geoffrey. The Economics of Invention: A Study of the Determinants of Inventive Activity. Brighton: Harvester Press, 1986.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.