European Southern Observatory. Annual Report = rapport annuel = jahresbericht. European Southern Observatory.
Cita Chicago Style (17a ed.)European Southern Observatory. Annual Report = Rapport Annuel = Jahresbericht. München: European Southern Observatory.
Cita MLA (9a ed.)European Southern Observatory. Annual Report = Rapport Annuel = Jahresbericht. European Southern Observatory.
Precaución: Estas citas no son 100% exactas.
