Greater Cleveland Mathematics Program. (1965). Mathematics 6: Teacher's guide for intermediate units 11 and 12. Science Research Associates.
Lua i Stíl Chicago (17ú heag.)Greater Cleveland Mathematics Program. Mathematics 6: Teacher's Guide for Intermediate Units 11 and 12. Chicago, Ill: Science Research Associates, 1965.
Lua MLA (9ú heag.)Greater Cleveland Mathematics Program. Mathematics 6: Teacher's Guide for Intermediate Units 11 and 12. Science Research Associates, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.