Bridson, M., & Tweedale, M. (2006). Deficiency and abelianized deficiency of some virtually free groups.
芝加哥风格引文Bridson, M., 与 M. Tweedale. Deficiency and Abelianized Deficiency of Some Virtually Free Groups. 2006.
MLA引文Bridson, M., 与 M. Tweedale. Deficiency and Abelianized Deficiency of Some Virtually Free Groups. 2006.
警告：这些引文格式不一定是100％准确.