Cita APA (7th ed.)
ebrary, Inc, & Stern, A. (2001). Our universe: The thrill of extragalactic exploration as told by leading experts. Cambridge University Press.
Cita Chicago (17th ed.)
ebrary, Inc, i Alan Stern. Our Universe: The Thrill of Extragalactic Exploration as Told by Leading Experts. Cambridge UK ; New York, NY: Cambridge University Press, 2001.
Cita MLA (9th ed.)
ebrary, Inc, i Alan Stern. Our Universe: The Thrill of Extragalactic Exploration as Told by Leading Experts. Cambridge University Press, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.