May, G. H. (1996). The future is ours: Foreseeing, managing, and creating the future. Praeger.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMay, Graham H. The Future Is Ours: Foreseeing, Managing, and Creating the Future. Westport, Conn.: Praeger, 1996.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMay, Graham H. The Future Is Ours: Foreseeing, Managing, and Creating the Future. Praeger, 1996.