Honsberger, R. (1995). Episodes in nineteenth and twentieth century Euclidean geometry. Mathematical Association of America.
Čikaški stil citiranja (17. izdanje)Honsberger, Ross. Episodes in Nineteenth and Twentieth Century Euclidean Geometry. Washington, DC: Mathematical Association of America, 1995.
MLA način citiranja (9. izdanje)Honsberger, Ross. Episodes in Nineteenth and Twentieth Century Euclidean Geometry. Mathematical Association of America, 1995.
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