एपीए उद्धरण

Lyth, D. H., & Liddle, A. R. (2009). The primordial density perturbation: Cosmology, inflation and the origin of structure. Cambridge University Press.

शिकागो स्टाइल उद्धरण

Lyth, D. H., और Andrew R. Liddle. The Primordial Density Perturbation: Cosmology, Inflation and the Origin of Structure. Cambridge ; New York: Cambridge University Press, 2009.

एमएलए उद्धरण

Lyth, D. H., और Andrew R. Liddle. The Primordial Density Perturbation: Cosmology, Inflation and the Origin of Structure. Cambridge University Press, 2009.