Dyfyniad APA

Williams,B R. (1973). Science and technology in economic growth. Macmillan Press Ltd.

Dyfyniad Arddull Chicago

Williams,B R. Science and Technology in Economic Growth. London: Macmillan Press Ltd, 1973.

Dyfyniad MLA

Williams,B R. Science and Technology in Economic Growth. Macmillan Press Ltd, 1973.

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