Twombly, C. G. (1929). The moving picture menace grows. [publisher not identified].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTwombly, Clifford Gray. The Moving Picture Menace Grows. [Lancaster, Penn]: [publisher not identified], 1929.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTwombly, Clifford Gray. The Moving Picture Menace Grows. [publisher not identified], 1929.
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