Macdonald, D. F. (1967). The age of transition: Britain in the nineteenth and twentieth centuries. Macmillan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMacdonald, Donald Farquhar. The Age of Transition: Britain in the Nineteenth and Twentieth Centuries. London: Macmillan, 1967.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMacdonald, Donald Farquhar. The Age of Transition: Britain in the Nineteenth and Twentieth Centuries. Macmillan, 1967.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.