National Research Council (U.S.). (2009). Assessment of planetary protection requirements for Mars sample return missions. National Academies Press.
Chicago-Zitierstil (17. Ausg.)National Research Council (U.S.). Assessment of Planetary Protection Requirements for Mars Sample Return Missions. Washington, D.C: National Academies Press, 2009.
MLA-Zitierstil (9. Ausg.)National Research Council (U.S.). Assessment of Planetary Protection Requirements for Mars Sample Return Missions. National Academies Press, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.