International Correspondence Schools. (1905). Geometrical drawing, mechanical drawing, sketching, practical projection, development of surfaces. International Correspondence Schools.
Citace podle Chicago (17th ed.)International Correspondence Schools. Geometrical Drawing, Mechanical Drawing, Sketching, Practical Projection, Development of Surfaces. London: International Correspondence Schools, 1905.
Citace podle MLA (8th ed.)International Correspondence Schools. Geometrical Drawing, Mechanical Drawing, Sketching, Practical Projection, Development of Surfaces. International Correspondence Schools, 1905.
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