Citace podle APA (7th ed.)
ebrary, Inc, & Steen, L. A. (1990). On the shoulders of giants: New approaches to numeracy. National Academy Press.
Citace podle Chicago (17th ed.)
ebrary, Inc, a Lynn Arthur Steen. On the Shoulders of Giants: New Approaches to Numeracy. Washington, D.C.: National Academy Press, 1990.
Citace podle MLA (9th ed.)
ebrary, Inc, a Lynn Arthur Steen. On the Shoulders of Giants: New Approaches to Numeracy. National Academy Press, 1990.
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