एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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