APA استشهاد

Rich, B. (1963). Schaum's outline of principles and problems of plane geometry. McGraw Hill.

استشهاد بنمط شيكاغو

Rich, Barnett. Schaum's Outline of Principles and Problems of Plane Geometry. New York: McGraw Hill, 1963.

MLA استشهاد

Rich, Barnett. Schaum's Outline of Principles and Problems of Plane Geometry. McGraw Hill, 1963.