Παραπομπή APA

Jaahne, J., & Krsnakumar K. K. (1972). Gramapatakal. State Institute of Languges.

Παραπομπή Chicago Style

Jaahne, Johannes, και Krsnakumar K. K. Gramapatakal. Trivandrum: State Institute of Languges, 1972.

Παραπομπή MLA

Jaahne, Johannes, και Krsnakumar K. K. Gramapatakal. State Institute of Languges, 1972.