Peter Riley. (2005). Checkpoint Chemistry Pupil's Book (Checkpoint Science). "Trans-Atlantic Publications, Inc.".
Lua i Stíl Chicago (17ú heag.)Peter Riley. Checkpoint Chemistry Pupil's Book (Checkpoint Science). "Trans-Atlantic Publications, Inc.", 2005.
Lua MLA (9ú heag.)Peter Riley. Checkpoint Chemistry Pupil's Book (Checkpoint Science). "Trans-Atlantic Publications, Inc.", 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.