Rummel, J. D. (2001). Planetary exploration in the time of astrobiology: Protecting against biological contamination. The National Academy of Sciences.
استشهاد بنمط شيكاغوRummel, John D. Planetary Exploration in the Time of Astrobiology: Protecting against Biological Contamination. The National Academy of Sciences, 2001.
MLA استشهادRummel, John D. Planetary Exploration in the Time of Astrobiology: Protecting against Biological Contamination. The National Academy of Sciences, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.