APA (7th ed.) Zitazioa

Silva, D. Observatory Operations: Strategies, Processes, and Systems III. SPIE Digital Library.

Chicago Style (17th ed.) Zitazioa

Silva, David. Observatory Operations: Strategies, Processes, and Systems III. SPIE Digital Library.

MLA (9th ed.) Zitazioa

Silva, David. Observatory Operations: Strategies, Processes, and Systems III. SPIE Digital Library.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.