APA-referens (7:e uppl.)

Lyth, D. H., & Liddle, A. R. (2009). The primordial density perturbation: Cosmology, inflation and the origin of structure (1a. ed.). Cambridge University Press.

Chicago-referens (17:e uppl.)

Lyth, David H., och Andrew R. Liddle. The Primordial Density Perturbation: Cosmology, Inflation and the Origin of Structure. 1a. ed. Cambridge: Cambridge University Press, 2009.

MLA-referens (9:e uppl.)

Lyth, David H., och Andrew R. Liddle. The Primordial Density Perturbation: Cosmology, Inflation and the Origin of Structure. 1a. ed. Cambridge University Press, 2009.