History of Science Society. (2018). Guide to the History of Science. University of Pennsylvania, Department of History and Sociology of Science.
Lua i Stíl Chicago (17ú heag.)History of Science Society. Guide to the History of Science. Philadelphia, Pa: University of Pennsylvania, Department of History and Sociology of Science, 2018.
Lua MLA (8ú heag.)History of Science Society. Guide to the History of Science. University of Pennsylvania, Department of History and Sociology of Science, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.