Teaching Company & Filippenko, A. V. (2003). Understanding the universe: What's new in asronomy, 2003. Teaching Company.
Citace podle Chicago (17th ed.)Teaching Company a Alexei V. Filippenko. Understanding the Universe: What's New in Asronomy, 2003. Chantilly, VA: Teaching Company, 2003.
Citace podle MLA (9th ed.)Teaching Company a Alexei V. Filippenko. Understanding the Universe: What's New in Asronomy, 2003. Teaching Company, 2003.
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