Perry, E. (1992). Geometry: Axiomatic developments with problem solving. M. Dekker.
Chicago-стиль цитированияPerry, Earl. Geometry: Axiomatic Developments with Problem Solving. New York: M. Dekker, 1992.
MLA-цитированиеPerry, Earl. Geometry: Axiomatic Developments with Problem Solving. M. Dekker, 1992.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.