Wolverton, M. (2004). The depths of space: The story of the Pioneer planetary probes. Joseph Henry Press.
Cita Chicago (17th ed.)Wolverton, Mark. The Depths of Space: The Story of the Pioneer Planetary Probes. Washington, District of Columbia: Joseph Henry Press, 2004.
Cita MLA (9th ed.)Wolverton, Mark. The Depths of Space: The Story of the Pioneer Planetary Probes. Joseph Henry Press, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.