APA-čujuhus (7. p.)
Ratcliffe, M. (2008). State of the Universe 2008: New Images, Discoveries, and Events. Praxis. https://doi.org/10.1007/978-0-387-73998-4
Chicago-čujuhus (17. p.)
Ratcliffe, Martin. State of the Universe 2008: New Images, Discoveries, and Events. New York, NY: Praxis, 2008. https://doi.org/10.1007/978-0-387-73998-4.
MLA-čujuhus (9. p.)
Ratcliffe, Martin. State of the Universe 2008: New Images, Discoveries, and Events. Praxis, 2008. https://doi.org/10.1007/978-0-387-73998-4.
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