Cita APA (7a ed.)
Willoughby, S. S. Mathematics Education for a Changing World. Association for Supervision and Curriculum Development.
Cita estilo Chicago (17a ed.)
Willoughby, Stephen S. Mathematics Education for a Changing World. Alexandria, EUA: Association for Supervision and Curriculum Development.
Cita MLA (9a ed.)
Willoughby, Stephen S. Mathematics Education for a Changing World. Association for Supervision and Curriculum Development.
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