ERIC Clearinghouse on Elementary and Early Childhood Education. Early childhood research & practice: ECRP. ERIC Clearinghouse on Elementary and Early Childhood Education.
Lua i Stíl Chicago (17ú heag.)ERIC Clearinghouse on Elementary and Early Childhood Education. Early Childhood Research & Practice: ECRP. Champaign, IL: ERIC Clearinghouse on Elementary and Early Childhood Education.
Lua MLA (9ú heag.)ERIC Clearinghouse on Elementary and Early Childhood Education. Early Childhood Research & Practice: ECRP. ERIC Clearinghouse on Elementary and Early Childhood Education.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.