Lombardy, W. (1978). Modern Chess opening traps. David mckay company.
Cita Chicago (17th ed.)Lombardy, William. Modern Chess Opening Traps. New York: David mckay company, 1978.
Cita MLA (9th ed.)Lombardy, William. Modern Chess Opening Traps. David mckay company, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.