Christensen, F. M. (1993). Space-like time: Consequences of, alternatives to, and arguments regarding the theory that time is like space. Univ. of Toronto Press.
Chicago-Zitierstil (17. Ausg.)Christensen, F. M. Space-like Time: Consequences of, Alternatives to, and Arguments Regarding the Theory That Time Is like Space. Toronto u.a: Univ. of Toronto Press, 1993.
MLA-Zitierstil (9. Ausg.)Christensen, F. M. Space-like Time: Consequences of, Alternatives to, and Arguments Regarding the Theory That Time Is like Space. Univ. of Toronto Press, 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.