Hubbard, S. (2011). Exploring Mars: Chronicles from a decade of discovery. University of Arizona Press.
Lua i Stíl Chicago (17ú heag.)Hubbard, Scott. Exploring Mars: Chronicles from a Decade of Discovery. Tucson: University of Arizona Press, 2011.
Lua MLA (9ú heag.)Hubbard, Scott. Exploring Mars: Chronicles from a Decade of Discovery. University of Arizona Press, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.