Billington, R. A. Frederick Jackson Turner: Historian, scholar, teacher. Oxford Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBillington, Ray Allen. Frederick Jackson Turner: Historian, Scholar, Teacher. Oxford Books.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBillington, Ray Allen. Frederick Jackson Turner: Historian, Scholar, Teacher. Oxford Books.
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