Willard, L. C. (2009). A critical study of the Euthalian apparatus. Walter de Gruyter.
芝加哥风格引文Willard, Louis Charles. A Critical Study of the Euthalian Apparatus. Berlin ; New York: Walter de Gruyter, 2009.
MLA引文Willard, Louis Charles. A Critical Study of the Euthalian Apparatus. Walter de Gruyter, 2009.
警告：这些引文格式不一定是100％准确.