APA aipamena

Hartle James B. (2014). Gravity: An introduction to Einstein's general relativity. Pearson.

Chicago Style aipamena

Hartle James B. Gravity: An Introduction to Einstein's General Relativity. Noida: Pearson, 2014.

MLA aipamena

Hartle James B. Gravity: An Introduction to Einstein's General Relativity. Pearson, 2014.

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