(1971). Playthings: The National Magazine of the Toy Trade ; Directory Issue ; 1971 ; Market Reference Information for Toy Buyers and Toy Manufacturers. Geyer-McAllister Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPlaythings: The National Magazine of the Toy Trade ; Directory Issue ; 1971 ; Market Reference Information for Toy Buyers and Toy Manufacturers. New York: Geyer-McAllister Publications, 1971.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPlaythings: The National Magazine of the Toy Trade ; Directory Issue ; 1971 ; Market Reference Information for Toy Buyers and Toy Manufacturers. Geyer-McAllister Publications, 1971.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.