Lewry, P. O. (1987). Robert Kilwardby, On Time and Imagination: De Tempore; de Spiritu Fantastico, ed. by LEWRY O. The Oxford University Press, for the Britisch Academy.
Chicago (17e ed.) BronvermeldingLewry, Patrick Osmund. Robert Kilwardby, On Time and Imagination: De Tempore; De Spiritu Fantastico, Ed. by LEWRY O. Oxford: The Oxford University Press, for the Britisch Academy, 1987.
MLA (9e ed.) BronvermeldingLewry, Patrick Osmund. Robert Kilwardby, On Time and Imagination: De Tempore; De Spiritu Fantastico, Ed. by LEWRY O. The Oxford University Press, for the Britisch Academy, 1987.