978-0-19-875108-3) John D. Barrow and Frank J. Tipler, The Anthropic Cosmological Principle, Oxford University Press, 1986. (ISBN 0-19-282147-4) Julian
ISBN 978-0521367103. Barrow, John D.; Tipler, Frank J. The Anthropic Cosmological Principle. John A. Wheeler (前言). Oxford: Oxford University Press. 1988-05-19