Ohio Council of Teachers of Mathematics. (1977). Ohio journal of school mathematics. Ohio Council of Teachers of Mathematics.
Lua i Stíl Chicago (17ú heag.)Ohio Council of Teachers of Mathematics. Ohio Journal of School Mathematics. Oxford, Ohio: Ohio Council of Teachers of Mathematics, 1977.
Lua MLA (9ú heag.)Ohio Council of Teachers of Mathematics. Ohio Journal of School Mathematics. Ohio Council of Teachers of Mathematics, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.