Havil, J. (2008). Impossible?: Surprising solutions to counterintuitive conundrums. Princeton University Press.
Chicago-Zitierstil (17. Ausg.)Havil, Julian. Impossible?: Surprising Solutions to Counterintuitive Conundrums. Princeton, N.J: Princeton University Press, 2008.
MLA-Zitierstil (9. Ausg.)Havil, Julian. Impossible?: Surprising Solutions to Counterintuitive Conundrums. Princeton University Press, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.