APA (7 वां संस्करण) प्रशस्ति पत्र

(1978). Playthings: Directory Issue ; 1978 ; for today's merchandisers of Toys, Hobbies and Crafts. Geyer-McAllister Publications.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Playthings: Directory Issue ; 1978 ; for Today's Merchandisers of Toys, Hobbies and Crafts. New York: Geyer-McAllister Publications, 1978.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Playthings: Directory Issue ; 1978 ; for Today's Merchandisers of Toys, Hobbies and Crafts. Geyer-McAllister Publications, 1978.