ebrary, Inc, & Spencer, E. T. (2011). Sociolinguistics. Nova Science Publishers.
芝加哥风格引文ebrary, Inc, 与 Edmund T. Spencer. Sociolinguistics. New York: Nova Science Publishers, 2011.
MLA引文ebrary, Inc, 与 Edmund T. Spencer. Sociolinguistics. Nova Science Publishers, 2011.
警告：这些引文格式不一定是100％准确.