Herlt, E., Kramer, D., McCallum, M., & Stephani, H. (1980). Exact solutions of Einstein's field equations. Cambridge University Press.
Čikaški stil citiranja (17. izdanje)Herlt, E., D. Kramer, M. McCallum, i H. Stephani. Exact Solutions of Einstein's Field Equations. Cambridge: Cambridge University Press, 1980.
MLA način citiranja (9. izdanje)Herlt, E., et al. Exact Solutions of Einstein's Field Equations. Cambridge University Press, 1980.
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