Lasker, E. (1910). The international chess congress, St. Petersburg, 1909. Press of E. Lasker.
Lua i Stíl Chicago (17ú heag.)Lasker, Emanuel. The International Chess Congress, St. Petersburg, 1909. New York: Press of E. Lasker, 1910.
Lua MLA (8ú heag.)Lasker, Emanuel. The International Chess Congress, St. Petersburg, 1909. Press of E. Lasker, 1910.
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