Steele, J. D. (1878). Fourteen weeks in physics. A.S. Barnes & Company.
Lua i Stíl Chicago (17ú heag.)Steele, Joel Dorman. Fourteen Weeks in Physics. New York: A.S. Barnes & Company, 1878.
Lua MLA (8ú heag.)Steele, Joel Dorman. Fourteen Weeks in Physics. A.S. Barnes & Company, 1878.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.