Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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