APA (7th ed.) Zitazioa
Keyser, C. J. (1903). The Plane Geometry of the Point in Point Space of four Dimensions.
Chicago Style (17th ed.) Zitazioa
Keyser, Cassius Jackson. The Plane Geometry of the Point in Point Space of Four Dimensions. Baltimore, 1903.
MLA (9th ed.) Zitazioa
Keyser, Cassius Jackson. The Plane Geometry of the Point in Point Space of Four Dimensions. 1903.
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