ebrary, Inc, Extra, G., & Verhoeven, L. T. (1999). Bilingualism and migration. Mouton de Gruyter.
芝加哥风格引文ebrary, Inc, Guus Extra, 与 Ludo Th Verhoeven. Bilingualism and Migration. Berlin ; New York: Mouton de Gruyter, 1999.
MLA引文ebrary, Inc, et al. Bilingualism and Migration. Mouton de Gruyter, 1999.
警告：这些引文格式不一定是100％准确.