Dyfyniad APA

Peebles, P. J. E. (1993). Principles of physical cosmology. Princeton University Press.

Dyfyniad Arddull Chicago

Peebles, P. J. E. Principles of Physical Cosmology. New Jersey: Princeton University Press, 1993.

Dyfyniad MLA

Peebles, P. J. E. Principles of Physical Cosmology. Princeton University Press, 1993.

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