APA Citation

Fix, J. D. (1999). Astronomy: Journey to the cosmic frontier. WCB/McGraw-Hill.

Trích dẫn kiểu Chicago

Fix, John D. Astronomy: Journey to the Cosmic Frontier. WCB/McGraw-Hill, 1999.

MLA Citation

Fix, John D. Astronomy: Journey to the Cosmic Frontier. WCB/McGraw-Hill, 1999.

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