Stahl, W. H. (1962). Roman science: Origins, development, and influence to the later middle ages. The University of Wisconsin Press.
Lua i Stíl Chicago (17ú heag.)Stahl, William Harris. Roman Science: Origins, Development, and Influence to the Later Middle Ages. Madison: The University of Wisconsin Press, 1962.
Lua MLA (9ú heag.)Stahl, William Harris. Roman Science: Origins, Development, and Influence to the Later Middle Ages. The University of Wisconsin Press, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.