Cita APA

Teaching Company & Filippenko, A. V. (2003). Understanding the universe: What's new in asronomy, 2003. Teaching Company.

Citación estilo Chicago

Teaching Company and Alexei V. Filippenko. Understanding the Universe: What's New in Asronomy, 2003. Chantilly, VA: Teaching Company, 2003.

Cita MLA

Teaching Company and Alexei V. Filippenko. Understanding the Universe: What's New in Asronomy, 2003. Teaching Company, 2003.