APA aipamena

Ryder, L. H. (2009). Introduction to general relativity. Cambridge University Press.

Chicago Style aipamena

Ryder, Lewis H. Introduction to General Relativity. Cambridge, UK ; New York: Cambridge University Press, 2009.

MLA aipamena

Ryder, Lewis H. Introduction to General Relativity. Cambridge University Press, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.