Ritter, J. (2003). Golden age of radio. Signature Sounds Recordings.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRitter, Josh. Golden Age of Radio. Whately, MA: Signature Sounds Recordings, 2003.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRitter, Josh. Golden Age of Radio. Signature Sounds Recordings, 2003.
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