Honeck. Our Frontier Is the World. Cornell University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHoneck. Our Frontier Is the World. Cornell University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHoneck. Our Frontier Is the World. Cornell University Press.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.