Perry, E. (1992). Geometry: Axiomatic developments with problem solving. M. Dekker.
استشهاد بنمط شيكاغوPerry, Earl. Geometry: Axiomatic Developments with Problem Solving. New York: M. Dekker, 1992.
MLA استشهادPerry, Earl. Geometry: Axiomatic Developments with Problem Solving. M. Dekker, 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.