Deismireacht APA

(2004). Astronomy: Essential study partner (Version 2.0.). New York: McGraw-Hill.

Trích dẫn kiểu Chicago

Astronomy: Essential Study Partner. Version 2.0. New York: McGraw-Hill, 2004.

Deismireacht MLA

Astronomy: Essential Study Partner. Version 2.0. New York: McGraw-Hill, 2004.

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