Toulmin, S., & Howell Hedley, R. (1961). Seventeenth century science and the arts. Princeton University Press.
Lua i Stíl Chicago (17ú heag.)Toulmin, Stephen, agus Rhys Howell Hedley. Seventeenth Century Science and the Arts. Princeton, New Jersey: Princeton University Press, 1961.
Lua MLA (9ú heag.)Toulmin, Stephen, agus Rhys Howell Hedley. Seventeenth Century Science and the Arts. Princeton University Press, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.