Messier 18 (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Messier 18" in Portuguese language version.

Last modified: 23:41:25, 3 October 2025 (UTC)

Ref.Un. Ref.Website

Global rank Portuguese rank

942^nd place

1,208^th place

seds.org (Global: 942^nd place; Portuguese: 1,208^th place)

messier.seds.org

Hartmut Frommert e Christine Kronberg (21 de agosto de 2007). «Messier Object 18» (em inglês). SEDS. Consultado em 27 de maio de 2012