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Gaya APA
Fundamental Astronomy. (2007).
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Springer.
Gaya Chicago
Fundamental Astronomy.
.
:
Springer,
2007.
Text.
Gaya MLA
Fundamental Astronomy.
.
:
Springer,
2007.
Text.
Gaya Turabian
Fundamental Astronomy.
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Springer,
2007.
Print.