Dyfyniad APA

Seeds, M. A., & Backman, D. E. (2013). The solar system (8th ed.). Books/Cole Cengage Learning.

Dyfyniad Arddull Chicago

Seeds, Michael A., and Dana E. Backman. The Solar System. 8th ed. Australia: Books/Cole Cengage Learning, 2013.

Dyfyniad MLA

Seeds, Michael A., and Dana E. Backman. The Solar System. 8th ed. Books/Cole Cengage Learning, 2013.

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