ebrary, Inc. (1989). Everybody counts: A report to the nation on the future of mathematics education. National Academy Press.
Citazione stile Chigago Style (17a edizione)ebrary, Inc. Everybody Counts: A Report to the Nation on the Future of Mathematics Education. Washington, D.C.: National Academy Press, 1989.
Citatione MLA (9a ed.)ebrary, Inc. Everybody Counts: A Report to the Nation on the Future of Mathematics Education. National Academy Press, 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.