Kay, W. D. (2005). Defining NASA: The historical debate over the agency's mission. State University of New York Press.
Cita Chicago (17th ed.)Kay, W. D. Defining NASA: The Historical Debate over the Agency's Mission. Albany: State University of New York Press, 2005.
Cita MLA (9th ed.)Kay, W. D. Defining NASA: The Historical Debate over the Agency's Mission. State University of New York Press, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.