Vry, S. (2012). 13 art illusions children should know. Prestel.
Cita Chicago Style (17a ed.)Vry, Silke. 13 Art Illusions Children Should Know. Munich ; London: Prestel, 2012.
Cita MLA (8a ed.)Vry, Silke. 13 Art Illusions Children Should Know. Prestel, 2012.
Precaución: Estas citas no son 100% exactas.