Lombardy, W. (1972). Modern chess opening traps. D. McKay Cacho Hermanos.
芝加哥风格引文Lombardy, William. Modern Chess Opening Traps. New York, Mandaluyong, Rizal: D. McKay Cacho Hermanos, 1972.
MLA引文Lombardy, William. Modern Chess Opening Traps. D. McKay Cacho Hermanos, 1972.
警告：这些引文格式不一定是100％准确.