Dyfyniad APA

Serjeant, S. (2010). Observational cosmology. Cambridge University Press ; Open University.

Dyfyniad Arddull Chicago

Serjeant, Stephen. Observational Cosmology. Cambridge ; Milton Keynes: Cambridge University Press ; Open University, 2010.

Dyfyniad MLA

Serjeant, Stephen. Observational Cosmology. Cambridge University Press ; Open University, 2010.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.