Deismireacht APA

Hubble,Edwin. (1937). The Observational Approach to Cosmology (1937.). Oxford at the University Press.

Chicago Edition Citation

Hubble,Edwin. The Observational Approach to Cosmology. 1937. London: Oxford at the University Press, 1937.

Deismireacht MLA

Hubble,Edwin. The Observational Approach to Cosmology. 1937. Oxford at the University Press, 1937.

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