एपीए उद्धरण

Williams, R. B. (1973). Science and technology in economic growth. London: Macmillan.

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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