APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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