APA-viite (7. p.)
Silk, J. (2006). The infinite cosmos: Questions from the frontiers of cosmology. Oxford University Press.
Chicago-viite (17. p.)
Silk, Joseph. The Infinite Cosmos: Questions from the Frontiers of Cosmology. Oxford ; New York: Oxford University Press, 2006.
MLA-viite (9. p.)
Silk, Joseph. The Infinite Cosmos: Questions from the Frontiers of Cosmology. Oxford University Press, 2006.
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