OECD. (1961). Synopses for modern secondary school mathematics. Organization for Economic Co-Operation and Development.
Citazione stile Chigago Style (17a edizione)OECD. Synopses for Modern Secondary School Mathematics. París: Organization for Economic Co-Operation and Development, 1961.
Citatione MLA (9a ed.)OECD. Synopses for Modern Secondary School Mathematics. Organization for Economic Co-Operation and Development, 1961.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.