PARRAGON BOOKS LTD. (2016). CHILDREN'S SCIENCE ENCYCLOPEDIA. PARRAGON BOOKS LTD.
Lua i Stíl Chicago (17ú heag.)PARRAGON BOOKS LTD. CHILDREN'S SCIENCE ENCYCLOPEDIA. UK: PARRAGON BOOKS LTD, 2016.
Lua MLA (9ú heag.)PARRAGON BOOKS LTD. CHILDREN'S SCIENCE ENCYCLOPEDIA. PARRAGON BOOKS LTD, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.