Howell. Single Star of the West. University of North Texas Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHowell. Single Star of the West. University of North Texas Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHowell. Single Star of the West. University of North Texas Press.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.