Mathematical Association. Mathematics in school. Longman Group on behalf of the Mathematical Association.
Chicago-viite (17. p.)Mathematical Association. Mathematics in School. London [England]: Longman Group on behalf of the Mathematical Association.
MLA-viite (9. p.)Mathematical Association. Mathematics in School. Longman Group on behalf of the Mathematical Association.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.