ORANGE EDUCATION. (2017). HEIDI - GRADED READER - LEVEL 2. V CONNECT.
Lua i Stíl Chicago (17ú heag.)ORANGE EDUCATION. HEIDI - GRADED READER - LEVEL 2. NEW DELHI: V CONNECT, 2017.
Lua MLA (9ú heag.)ORANGE EDUCATION. HEIDI - GRADED READER - LEVEL 2. V CONNECT, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.