Jones, B. M. (2010). Tense and aspect in informal Welsh. De Gruyter.
芝加哥风格引文Jones, Bob Morris. Tense and Aspect in Informal Welsh. Berlin ; New York: De Gruyter, 2010.
MLA引文Jones, Bob Morris. Tense and Aspect in Informal Welsh. De Gruyter, 2010.
警告：这些引文格式不一定是100％准确.