APA (7th ed.) Zitazioa

Hart, W. W. (1950). Plane geometry. D.C. Health and Company.

Chicago Style (17th ed.) Zitazioa

Hart, Walter Wilson. Plane Geometry. Boston: D.C. Health and Company, 1950.

MLA (9th ed.) Zitazioa

Hart, Walter Wilson. Plane Geometry. D.C. Health and Company, 1950.