Hart, W. W. (1950). Plane geometry. D.C. Health and Company.
Chicago Style (17th ed.) CitationHart, Walter Wilson. Plane Geometry. Boston: D.C. Health and Company, 1950.
MLA引文Hart, Walter Wilson. Plane Geometry. D.C. Health and Company, 1950.
警告:這些引文格式不一定是100%准確.