Gruhling, G., & Briesemeister, M. (1973). Tekstail Vyavasayam. State Institutes of Languages.
Chicago Edition CitationGruhling, Gerda, i Max Briesemeister. Tekstail Vyavasayam. Trivandrum: State Institutes of Languages, 1973.
Cita MLAGruhling, Gerda, i Max Briesemeister. Tekstail Vyavasayam. State Institutes of Languages, 1973.
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