APA (7e ed.) Bronvermelding

Sawyer, A. E. (1993). Developments in primary mathematics teaching. David Fulton.

Chicago (17e ed.) Bronvermelding

Sawyer, Ann Elisabeth. Developments in Primary Mathematics Teaching. London: David Fulton, 1993.

MLA (9e ed.) Bronvermelding

Sawyer, Ann Elisabeth. Developments in Primary Mathematics Teaching. David Fulton, 1993.

Let op: Deze citaties zijn niet altijd 100% accuraat.