Haarmann, H. (1986). Language in ethnicity: A view of basic ecological relations. Mouton de Gruyter.
芝加哥风格引文Haarmann, Harald. Language in Ethnicity: A View of Basic Ecological Relations. Berlin ; New York: Mouton de Gruyter, 1986.
MLA引文Haarmann, Harald. Language in Ethnicity: A View of Basic Ecological Relations. Mouton de Gruyter, 1986.
警告：这些引文格式不一定是100％准确.