Wrenn, C. G. (1971). In front of the table and behind it. AGS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWrenn, C. Gilbert. In Front of the Table and Behind It. Circle Pines: AGS, 1971.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWrenn, C. Gilbert. In Front of the Table and Behind It. AGS, 1971.
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