Deismireacht APA

Parker, B. R. (1984). Concepts of the cosmos: An introduction to astronomy. Harcourt Brace Jovanovich.

Chicago Edition Citation

Parker, Barry R. Concepts of the Cosmos: An Introduction to Astronomy. San Diego: Harcourt Brace Jovanovich, 1984.

Deismireacht MLA

Parker, Barry R. Concepts of the Cosmos: An Introduction to Astronomy. Harcourt Brace Jovanovich, 1984.

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