APA (7e ed.) Bronvermelding

(1969). Playthings: The National Magazine of the Toy Trade ; Directory Issue ; 1969 ; Market Reference Information for Toy Buyers and Toy Manufacturers. Geyer-McAllister Publications.

Chicago (17e ed.) Bronvermelding

Playthings: The National Magazine of the Toy Trade ; Directory Issue ; 1969 ; Market Reference Information for Toy Buyers and Toy Manufacturers. New York: Geyer-McAllister Publications, 1969.

MLA (8e ed.) Bronvermelding

Playthings: The National Magazine of the Toy Trade ; Directory Issue ; 1969 ; Market Reference Information for Toy Buyers and Toy Manufacturers. Geyer-McAllister Publications, 1969.