Thirtle,Colin G, & Rutten,Vernon W. (1987). The role of demand and supply in the generation and diffusion of technical change. Harwood Academic Publishers.
استشهاد بنمط شيكاغوThirtle,Colin G, و Rutten,Vernon W. The Role of Demand and Supply in the Generation and Diffusion of Technical Change. London: Harwood Academic Publishers, 1987.
MLA استشهادThirtle,Colin G, و Rutten,Vernon W. The Role of Demand and Supply in the Generation and Diffusion of Technical Change. Harwood Academic Publishers, 1987.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.