Deismireacht APA

Arny Thomas T, & Schneider Stephen E. (2007). Explorations: An Introduction to Astronomy. American: Mc Graw Hill.

Trích dẫn kiểu Chicago

Arny Thomas T, và Schneider Stephen E. Explorations: An Introduction to Astronomy. American: Mc Graw Hill, 2007.

Deismireacht MLA

Arny Thomas T, và Schneider Stephen E. Explorations: An Introduction to Astronomy. American: Mc Graw Hill, 2007.

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