Bradley, A. D. (1933). The geometry of repeating design and geometry of design for high schools. Columbia University.
Citace podle Chicago (17th ed.)Bradley, A. Day. The Geometry of Repeating Design and Geometry of Design for High Schools. Nueva York: Columbia University, 1933.
Citace podle MLA (9th ed.)Bradley, A. Day. The Geometry of Repeating Design and Geometry of Design for High Schools. Columbia University, 1933.
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