Dyfyniad 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.

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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