Sobey, E. J. C. (2008). The way toys work: The science behind the magic 8 ball, etch a sketch, boomerang, and more. Chicago Review Press.
Chicago-Zitierstil (17. Ausg.)Sobey, Edwin J. C. The Way Toys Work: The Science Behind the Magic 8 Ball, Etch a Sketch, Boomerang, and More. Chicago, Ill: Chicago Review Press, 2008.
MLA-Zitierstil (9. Ausg.)Sobey, Edwin J. C. The Way Toys Work: The Science Behind the Magic 8 Ball, Etch a Sketch, Boomerang, and More. Chicago Review Press, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.