Hoyle, F. (1975). Astronomy and cosmology: A modern course. San Francisco : W H Freeman.
Chicago-čujuhus (17. p.)Hoyle, Fred. Astronomy and Cosmology: A Modern Course. San Francisco : W H Freeman, 1975.
MLA-čujuhus (9. p.)Hoyle, Fred. Astronomy and Cosmology: A Modern Course. San Francisco : W H Freeman, 1975.
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