Snow, T. P. (1985). The dynamic universe: An introduction to astronomy (2nd ed.). West.
Tohutoru Kātū Chicago (17th ed.)Snow, Theodore Peck. The Dynamic Universe: An Introduction to Astronomy. 2nd ed. St. Paul: West, 1985.
Tohutoro MLA (9th ed.)Snow, Theodore Peck. The Dynamic Universe: An Introduction to Astronomy. 2nd ed. West, 1985.
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