Παραπομπή APA

Gruhling, G., & Briesemeister, M. (1973). Tekstail Vyavasayam. State Institutes of Languages.

Παραπομπή Chicago Style

Gruhling, Gerda, και Max Briesemeister. Tekstail Vyavasayam. Trivandrum: State Institutes of Languages, 1973.

Παραπομπή MLA

Gruhling, Gerda, και Max Briesemeister. Tekstail Vyavasayam. State Institutes of Languages, 1973.