Hartle, J. B. (2014). Gravity: An introduction to Einstein's general relativity (1st Indian ed.). Dorling Kindersley (India) Pvt. Ltd..
Citace podle Chicago (17th ed.)Hartle, James B. Gravity: An Introduction to Einstein's General Relativity. 1st Indian ed. New Delhi: Dorling Kindersley (India) Pvt. Ltd., 2014.
Citace podle MLA (9th ed.)Hartle, James B. Gravity: An Introduction to Einstein's General Relativity. 1st Indian ed. Dorling Kindersley (India) Pvt. Ltd., 2014.
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