Lua APA (7ú heag.)
Smith, J. J. The Americana Annual 1950: An Encyclopedia of the Events of 1949. Americana Corporation.
Lua i Stíl Chicago (17ú heag.)
Smith, John J. The Americana Annual 1950: An Encyclopedia of the Events of 1949. Nueva York, EUA: Americana Corporation.
Lua MLA (9ú heag.)
Smith, John J. The Americana Annual 1950: An Encyclopedia of the Events of 1949. Americana Corporation.
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