Citazione Stile APA (7a Edizione)

Haarmann, H. (1986). Language in ethnicity: A view of basic ecological relations. Mouton de Gruyter.

Citazione stile Chigago Style (17a edizione)

Haarmann, Harald. Language in Ethnicity: A View of Basic Ecological Relations. Berlin ; New York: Mouton de Gruyter, 1986.

Citatione MLA (9a ed.)

Haarmann, Harald. Language in Ethnicity: A View of Basic Ecological Relations. Mouton de Gruyter, 1986.