Blumenthal, L. M., & Gillespie, E. (1961). A modern view of geometry. San Francisco: W. H. Freeman and Company.
Παραπομπή Chicago StyleBlumenthal, Leonard M., and Evan Gillespie. A Modern View of Geometry. San Francisco: W. H. Freeman and Company, 1961.
Παραπομπή MLABlumenthal, Leonard M., and Evan Gillespie. A Modern View of Geometry. San Francisco: W. H. Freeman and Company, 1961.
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