Fix, J. D. (2008). Astronomy: Journey to the cosmic frontier. Boston: McGraw-Hill Higher Education.
Trích dẫn kiểu ChicagoFix, John D. Astronomy: Journey to the Cosmic Frontier. Boston: McGraw-Hill Higher Education, 2008.
MLA CitationFix, John D. Astronomy: Journey to the Cosmic Frontier. Boston: McGraw-Hill Higher Education, 2008.
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