ebrary, Inc, Roca, A., & Lipski, J. M. (1993). Spanish in the United States: Linguistic contact and diversity. Mouton de Gruyter.
芝加哥风格引文ebrary, Inc, Ana Roca, 与 John M. Lipski. Spanish in the United States: Linguistic Contact and Diversity. Berlin ; New York: Mouton de Gruyter, 1993.
MLA引文ebrary, Inc, et al. Spanish in the United States: Linguistic Contact and Diversity. Mouton de Gruyter, 1993.
警告：这些引文格式不一定是100％准确.