APA način citiranja (7. izdanje)
Hartle, J. B. Gravity: An Introduction to Einstein's General Relativity. Addison-Wesley.
Čikaški stil citiranja (17. izdanje)
Hartle, James B. Gravity: An Introduction to Einstein's General Relativity. San Francisco, EUA: Addison-Wesley.
MLA način citiranja (9. izdanje)
Hartle, James B. Gravity: An Introduction to Einstein's General Relativity. Addison-Wesley.
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