Παραπομπή σε μορφή APA (7η εκδ.)

Perry, E. (1992). Geometry: Axiomatic developments with problem solving. M. Dekker.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Perry, Earl. Geometry: Axiomatic Developments with Problem Solving. New York: M. Dekker, 1992.

Παραπομπή σε μορφή MLA (9th εκδ.)

Perry, Earl. Geometry: Axiomatic Developments with Problem Solving. M. Dekker, 1992.