APA ציטוט

Freudenthal, H. (1973). Mathematics as an educational task. Reidel.

Chicago Style (17th ed.) Citation

Freudenthal, Hans. Mathematics as an Educational Task. Dordrecht: Reidel, 1973.

ציטוט MLA

Freudenthal, Hans. Mathematics as an Educational Task. Reidel, 1973.