Παραπομπή σε μορφή APA (7η εκδ.)

Johnson, A. (1999). Famous problems and their mathematicians. Teacher Ideas Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Johnson, Art. Famous Problems and Their Mathematicians. Englewood, Colo.: Teacher Ideas Press, 1999.

Παραπομπή σε μορφή MLA (8th εκδ.)

Johnson, Art. Famous Problems and Their Mathematicians. Teacher Ideas Press, 1999.