Παραπομπή APA

Thirtle,Colin G, & Rutten,Vernon W. (1987). The role of demand and supply in the generation and diffusion of technical change. Harwood Academic Publishers.

Παραπομπή Chicago Style

Thirtle,Colin G, και Rutten,Vernon W. The Role of Demand and Supply in the Generation and Diffusion of Technical Change. London: Harwood Academic Publishers, 1987.

Παραπομπή MLA

Thirtle,Colin G, και Rutten,Vernon W. The Role of Demand and Supply in the Generation and Diffusion of Technical Change. Harwood Academic Publishers, 1987.