APA (7 वां संस्करण) प्रशस्ति पत्र

Williams, B. R. (1967). Technology, investment and growth. Chapman & Hall.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Williams, Bruce Rodda. Technology, Investment and Growth. London: Chapman & Hall, 1967.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Williams, Bruce Rodda. Technology, Investment and Growth. Chapman & Hall, 1967.