APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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