APA-viite (7. p.)

Barrow, J. D. (1999). Impossibility: The limits of science and the science of limits. Vintage.

Chicago-viite (17. p.)

Barrow, John D. Impossibility: The Limits of Science and the Science of Limits. London: Vintage, 1999.

MLA-viite (8. p.)

Barrow, John D. Impossibility: The Limits of Science and the Science of Limits. Vintage, 1999.