APA (7e ed.) Bronvermelding

Freudenthal, H. (1978). Change in mathematics education sicne the late 1950's: Ideas and realisation. D. Reidel.

Chicago (17e ed.) Bronvermelding

Freudenthal, Hans. Change in Mathematics Education Sicne the Late 1950's: Ideas and Realisation. Dordrecht: D. Reidel, 1978.

MLA (9e ed.) Bronvermelding

Freudenthal, Hans. Change in Mathematics Education Sicne the Late 1950's: Ideas and Realisation. D. Reidel, 1978.