Heidel, W. A. (1933). The heroic age of science: The conception, ideals, and methods of science among the ancient Greeks. Pub. for Carnegie institution of Washington by the Williams & Wilkins company.
Lua i Stíl Chicago (17ú heag.)Heidel, William Arthur. The Heroic Age of Science: The Conception, Ideals, and Methods of Science Among the Ancient Greeks. Baltimore: Pub. for Carnegie institution of Washington by the Williams & Wilkins company, 1933.
Lua MLA (8ú heag.)Heidel, William Arthur. The Heroic Age of Science: The Conception, Ideals, and Methods of Science Among the Ancient Greeks. Pub. for Carnegie institution of Washington by the Williams & Wilkins company, 1933.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.