APA (7e ed.) Bronvermelding

FREMONT, H. (1969). How to teach mathematics in secondary schools. W.B. Sounders co.

Chicago (17e ed.) Bronvermelding

FREMONT, Herbert. How to Teach Mathematics in Secondary Schools. Toronto: W.B. Sounders co, 1969.

MLA (9e ed.) Bronvermelding

FREMONT, Herbert. How to Teach Mathematics in Secondary Schools. W.B. Sounders co, 1969.