Παραπομπή σε μορφή APA (7η εκδ.)

Stephani, H. (1990). General relativity: An introduction to the theory of the gravitational field (2nd edition.). Cambridge University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Stephani, Hans. General Relativity: An Introduction to the Theory of the Gravitational Field. 2nd edition. Cambridge: Cambridge University Press, 1990.

Παραπομπή σε μορφή MLA (8th εκδ.)

Stephani, Hans. General Relativity: An Introduction to the Theory of the Gravitational Field. 2nd edition. Cambridge University Press, 1990.