Effler, R. R. (1962). John Duns Scotus and the principle omne quod movetur ab alio movetur. Franciscan Institute.
Cita Chicago Style (17a ed.)Effler, Roy R. John Duns Scotus and the Principle Omne Quod Movetur Ab Alio Movetur. St. Bonaventure, N.Y.: Franciscan Institute, 1962.
Cita MLA (9a ed.)Effler, Roy R. John Duns Scotus and the Principle Omne Quod Movetur Ab Alio Movetur. Franciscan Institute, 1962.
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