Barrow, J. D. The infinite book: Short guide to the boundless timeless and endless (First edition.). Vintage Books.
Chicago-viite (17. p.)Barrow, John D. The Infinite Book: Short Guide to the Boundless Timeless and Endless. First edition. New York: Vintage Books.
MLA-viite (9. p.)Barrow, John D. The Infinite Book: Short Guide to the Boundless Timeless and Endless. First edition. Vintage Books.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.