Deismireacht APA

Freedman, R. A. (2005). Universe: The Solar system (student). New York: W. H. Freeman and Company.

Trích dẫn kiểu Chicago

Freedman, Roger A. Universe: The Solar System (student). New York: W. H. Freeman and Company, 2005.

Deismireacht MLA

Freedman, Roger A. Universe: The Solar System (student). New York: W. H. Freeman and Company, 2005.

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