Zee, A. (2013). Einstein gravity in a nutshell. Princeton University Press.
Lua i Stíl Chicago (17ú heag.)Zee, A. Einstein Gravity in a Nutshell. Princeton: Princeton University Press, 2013.
Lua MLA (8ú heag.)Zee, A. Einstein Gravity in a Nutshell. Princeton University Press, 2013.
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