Παραπομπή σε μορφή APA (7η εκδ.)

Steen, L. A. (1997). Why numbers count: Quantitative literacy for tomorrow's america. College Entrance Examination Board.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Steen, Lynn Arthur. Why Numbers Count: Quantitative Literacy for Tomorrow's America. New York: College Entrance Examination Board, 1997.

Παραπομπή σε μορφή MLA (9th εκδ.)

Steen, Lynn Arthur. Why Numbers Count: Quantitative Literacy for Tomorrow's America. College Entrance Examination Board, 1997.