Sarah Weeks. (2002). "Drip, Drop (I Can Read Level 1)" (Reprint.). HarperCollins.
Lua i Stíl Chicago (17ú heag.)Sarah Weeks. "Drip, Drop (I Can Read Level 1)". Reprint. HarperCollins, 2002.
Lua MLA (9ú heag.)Sarah Weeks. "Drip, Drop (I Can Read Level 1)". Reprint. HarperCollins, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.