Haarmann, H. (1986). Language in ethnicity: A view of basic ecological relations. Mouton de Gruyter.
Čikaški stil citiranja (17. izdanje)Haarmann, Harald. Language in Ethnicity: A View of Basic Ecological Relations. Berlin ; New York: Mouton de Gruyter, 1986.
MLA način citiranja (9. izdanje)Haarmann, Harald. Language in Ethnicity: A View of Basic Ecological Relations. Mouton de Gruyter, 1986.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.