Prior, A. N. (1957). Time and modality: Being the John Locke lectures for 1955-56 delivered in the University of Oxford. Oxford University.

Prior, Arthur N. Time and Modality: Being the John Locke Lectures for 1955-56 Delivered in the University of Oxford. Londres: Oxford University, 1957.

Prior, Arthur N. Time and Modality: Being the John Locke Lectures for 1955-56 Delivered in the University of Oxford. Oxford University, 1957.