South Metropolitan Gas Company (London, England), & Leonard William Longstaff Saint Thomas More Collection. (1931). Well Hall. s.n].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSouth Metropolitan Gas Company (London, England), और Leonard William Longstaff Saint Thomas More Collection. Well Hall. [London?: s.n], 1931.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSouth Metropolitan Gas Company (London, England), और Leonard William Longstaff Saint Thomas More Collection. Well Hall. s.n], 1931.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.