Annual Report (Association for the Improvement of Geometrical Teaching). The Mathematical Association.
Citazione stile Chigago Style (17a edizione)Annual Report (Association for the Improvement of Geometrical Teaching). The Mathematical Association.
Citatione MLA (8a ed.)Annual Report (Association for the Improvement of Geometrical Teaching). The Mathematical Association.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.