APA-viite (7. p.)
Poisson, E. (2004). A relativist's toolkit: The mathematics of black-hole mechanics. Cambridge University Press.
Chicago-viite (17. p.)
Poisson, Eric. A Relativist's Toolkit: The Mathematics of Black-hole Mechanics. Cambridge, UK ; New York: Cambridge University Press, 2004.
MLA-viite (9. p.)
Poisson, Eric. A Relativist's Toolkit: The Mathematics of Black-hole Mechanics. Cambridge University Press, 2004.
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