Hewitt, P. G. (1974). Conceptual physics: A new introduction to your environment (2nd ed.). Little.
Lua i Stíl Chicago (17ú heag.)Hewitt, Paul G. Conceptual Physics: A New Introduction to Your Environment. 2nd ed. Boston: Little, 1974.
Lua MLA (9ú heag.)Hewitt, Paul G. Conceptual Physics: A New Introduction to Your Environment. 2nd ed. Little, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.