Lua APA (7ú heag.)

COVEN, W. (2012). HEIDI HECKELBECK GETS GLASSES # 5. LITTLE SIMON.

Lua i Stíl Chicago (17ú heag.)

COVEN, WANDA. HEIDI HECKELBECK GETS GLASSES # 5. NEW YORK: LITTLE SIMON, 2012.

Lua MLA (9ú heag.)

COVEN, WANDA. HEIDI HECKELBECK GETS GLASSES # 5. LITTLE SIMON, 2012.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.