APA (7e ed.) Bronvermelding

Hartle, J. B. (2003). Gravity: An introduction to Einstein's general relativity. Addison-Wesley ; Pearson.

Chicago (17e ed.) Bronvermelding

Hartle, J. B. Gravity: An Introduction to Einstein's General Relativity. San Francisco ; New Delhi: Addison-Wesley ; Pearson, 2003.

MLA (8e ed.) Bronvermelding

Hartle, J. B. Gravity: An Introduction to Einstein's General Relativity. Addison-Wesley ; Pearson, 2003.