Campeonato Mundial de Xadrez de 1981 (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Campeonato Mundial de Xadrez de 1981" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

1web.archive.org

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web.archive.org

«1981 World Chess Championship» (em inglês). Consultado em 28 de novembro de 2010

worldcat.org

Soltis, Andrew, author. (2015). Soviet Chess 1917-1991. [S.l.]: McFarland & Company, Inc., Publishers. OCLC 963356694