Leeman, F., Elffers, J., & Schuyt, M. (1976). Hidden images: Games of perception, anamorphic art, illusion : from the Renaissance to the present. H. N. Abrams.
Citace podle Chicago (17th ed.)Leeman, Fred, Joost Elffers, a Michael Schuyt. Hidden Images: Games of Perception, Anamorphic Art, Illusion : From the Renaissance to the Present. New York: H. N. Abrams, 1976.
Citace podle MLA (9th ed.)Leeman, Fred, et al. Hidden Images: Games of Perception, Anamorphic Art, Illusion : From the Renaissance to the Present. H. N. Abrams, 1976.
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