MORGAN, K. (2014). Lessons in teaching number & place value in primary schools. Sage Publications.
Lua i Stíl Chicago (17ú heag.)MORGAN, Kath. Lessons in Teaching Number & Place Value in Primary Schools. Sage Publications, 2014.
Lua MLA (9ú heag.)MORGAN, Kath. Lessons in Teaching Number & Place Value in Primary Schools. Sage Publications, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.