APA (7e ed.) Bronvermelding

University of London. Chelsea College. the CSMS Mathematics Team & Hart, K. M. (1981). Children's understanding of mathematics: 11-16. John Murray.

Chicago (17e ed.) Bronvermelding

University of London. Chelsea College. the CSMS Mathematics Team en Kathleen M. Hart. Children's Understanding of Mathematics: 11-16. London: John Murray, 1981.

MLA (9e ed.) Bronvermelding

University of London. Chelsea College. the CSMS Mathematics Team en Kathleen M. Hart. Children's Understanding of Mathematics: 11-16. John Murray, 1981.