Jessel,Levic. (1978). The ethnic process: An evolutionary concept of languages and peoples. mouton Publishers.
Styl cytowania ChicagoJessel,Levic. The Ethnic Process: An Evolutionary Concept of Languages and Peoples. New York: mouton Publishers, 1978.
Styl cytowania MLAJessel,Levic. The Ethnic Process: An Evolutionary Concept of Languages and Peoples. mouton Publishers, 1978.
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