Johnson, K. (1996). Physics for you (New national curriculum edition for GCSE.). Stanley Thornes (Publishers) Ltd.
Lua i Stíl Chicago (17ú heag.)Johnson, Keith. Physics for You. New national curriculum edition for GCSE. Cheltenham, England: Stanley Thornes (Publishers) Ltd, 1996.
Lua MLA (8ú heag.)Johnson, Keith. Physics for You. New national curriculum edition for GCSE. Stanley Thornes (Publishers) Ltd, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.