APA (7th ed.) Zitazioa
Freudenthal, H. (1983). Didactical phenomenology of mathematical structures. Kluwer Academic.
Chicago Style (17th ed.) Zitazioa
Freudenthal, Hans. Didactical Phenomenology of Mathematical Structures. Boston: Kluwer Academic, 1983.
MLA (9th ed.) Zitazioa
Freudenthal, Hans. Didactical Phenomenology of Mathematical Structures. Kluwer Academic, 1983.
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