APA aipamena

Butler, J. J. Earth Observing Systems XXVII. SPIE Digital Library.

Chicago Style aipamena

Butler, James J. Earth Observing Systems XXVII. SPIE Digital Library.

MLA aipamena

Butler, James J. Earth Observing Systems XXVII. SPIE Digital Library.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.