Forder, H. G. (1958). The foundations of euclidean geometry (1a. ed.). Dover publications.
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Chicago-čujuhus (17. p.)
Forder, Henry George. The Foundations of Euclidean Geometry. 1a. ed. New York: Dover publications, 1958.
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MLA-čujuhus (9. p.)
Forder, Henry George. The Foundations of Euclidean Geometry. 1a. ed. Dover publications, 1958.
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