OECD. (1961). Synopses for modern secondary school mathematics. Organization for Economic Co-Operation and Development.
Chicago-Zitierstil (17. Ausg.)OECD. Synopses for Modern Secondary School Mathematics. París: Organization for Economic Co-Operation and Development, 1961.
MLA-Zitierstil (9. Ausg.)OECD. Synopses for Modern Secondary School Mathematics. Organization for Economic Co-Operation and Development, 1961.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.