Sumber ilmiah

• Paul Davies, About Time ISBN 0-684-81822-1How to Build a Time Machine ISBN 0-14-200186-4
• J. Richard Gott, Time Travel in Einstein's Universe: The Physical Possibilities of Travel Through Time ISBN 0-618-25735-7
• Gribbin, In Search of Schrodinger's Cat
• Paul J. Nahin, Time Machines: Time Travel in Physics, Metaphysics, and Science Fiction ISBN 0-387-98571-9
• Pagels, Perfect Symmetry, the Search for the Beginning of Time
• Clifford A. Pickover, Time: A Traveler's Guide ISBN 0-19-513096-0
• Kornel Lanczos, On a Stationary Cosmology in the Sense of Einsteins Theory of Gravitation, 1924, republished in 1997 by Springer Science+Business Media B.V.
• W.J. van Stockum, The Gravitational Field of a Distribution of Particles Rotating about an Axis of Symmetry, 1936, Proceedings of the Royal Society of Edinburgh.
• Frank J. Tipler, Rotating Cylinders and the Possibility of Global Causality Violation, Physical Review D 9 (1974), 2203

Sumber falsafiah

• Richard M Gale, The Philosophy of Time
• Fred Alan Wolf, The Yoga of Time Travel (2004) ISBN 0-8356-0828-X