Mathematics for elementary school (Study with your friends). Gakkotosho Ltd.
Lua i Stíl Chicago (17ú heag.)Mathematics for Elementary School (Study with Your Friends). Tokyo: Gakkotosho Ltd.
Lua MLA (9ú heag.)Mathematics for Elementary School (Study with Your Friends). Gakkotosho Ltd.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.