Rich, B. (1963). Principles & problems of plane geometry. Schaum Pub. Co.
Chicagoスタイル(17版)引用形式Rich, Barnett. Principles & Problems of Plane Geometry. New York: Schaum Pub. Co, 1963.
MLA(9版)引用形式Rich, Barnett. Principles & Problems of Plane Geometry. Schaum Pub. Co, 1963.
警告: この引用は必ずしも正確ではありません.