Spangenburg, R., & Moser, D. (1999). The history of science in the nineteenth century. Facts on File,.
Lua i Stíl Chicago (17ú heag.)Spangenburg, Ray, agus Diane Moser. The History of Science in the Nineteenth Century. New York, NY : Hydearbad : University Press: Facts on File,, 1999.
Lua MLA (8ú heag.)Spangenburg, Ray, agus Diane Moser. The History of Science in the Nineteenth Century. Facts on File,, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.