APA

Gruhling G. B. M., . (1973). Textile vyavasayam (m). : State Institute of Languages, TVPM.

Chicago

Gruhling Gerda Briesemeister Max, . 1973. Textile vyavasayam (m). : State Institute of Languages, TVPM.

Harvard

Gruhling G. B. M., . (1973). Textile vyavasayam (m). : State Institute of Languages, TVPM.

MLA

Gruhling Gerda Briesemeister Max, . Textile vyavasayam (m). : State Institute of Languages, TVPM. 1973.