Marrone, S. Metaphysics and science in the thirteenth century: William of Auvergne, Robert Grosseteste and Roger Bacon. Medieval philosophy.
Lua i Stíl Chicago (17ú heag.)Marrone, Steven. "Metaphysics and Science in the Thirteenth Century: William of Auvergne, Robert Grosseteste and Roger Bacon." Medieval Philosophy .
Lua MLA (8ú heag.)Marrone, Steven. "Metaphysics and Science in the Thirteenth Century: William of Auvergne, Robert Grosseteste and Roger Bacon." Medieval Philosophy, .
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