Citace podle APA (7th ed.)

Greenberg, M. J. (1980). Euclidean and Non-Euclidean Geometries: Development and history (2nd ed.). W. H. Freeman and Co..

Citace podle Chicago (17th ed.)

Greenberg, Marvin Jay. Euclidean and Non-Euclidean Geometries: Development and History. 2nd ed. New York: W. H. Freeman and Co., 1980.

Citace podle MLA (9th ed.)

Greenberg, Marvin Jay. Euclidean and Non-Euclidean Geometries: Development and History. 2nd ed. W. H. Freeman and Co., 1980.

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