Hoover, R. Instruments, Methods, and Missions for Astrobiology XIV. SPIE Digital Library.
Chicago Style (17th ed.) ZitazioaHoover, Richard. Instruments, Methods, and Missions for Astrobiology XIV. SPIE Digital Library.
MLA (9th ed.) ZitazioaHoover, Richard. Instruments, Methods, and Missions for Astrobiology XIV. SPIE Digital Library.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.