Deismireacht APA

Struve, O., Lynds, B., & Pillans, H. (1959). Elementary Astronomy. New York: Oxford University.

Trích dẫn kiểu Chicago

Struve, Otto., Beverly Lynds, và Helen Pillans. Elementary Astronomy. New York: Oxford University, 1959.

Deismireacht MLA

Struve, Otto., Beverly Lynds, và Helen Pillans. Elementary Astronomy. New York: Oxford University, 1959.

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