Lua APA (7ú heag.)

Lombardy, W. (1978). Modern Chess opening traps. David mckay company.

Lua i Stíl Chicago (17ú heag.)

Lombardy, William. Modern Chess Opening Traps. New York: David mckay company, 1978.

Lua MLA (9ú heag.)

Lombardy, William. Modern Chess Opening Traps. David mckay company, 1978.

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