Szepietowski, A. The element distinctness problem on one-tape Turing machines. Information processing letters..
芝加哥风格引文Szepietowski, Andrzej. "The Element Distinctness Problem on One-tape Turing Machines." Information Processing Letters. .
MLA引文Szepietowski, Andrzej. "The Element Distinctness Problem on One-tape Turing Machines." Information Processing Letters., .
警告：这些引文格式不一定是100％准确.