Παραπομπή APA

Ramakrsnan, K. V. (1992). Ketavilakku (2nd ed.). Poorna.

Παραπομπή Chicago Style

Ramakrsnan, K V. Ketavilakku. 2nd ed. Kozhikode: Poorna, 1992.

Παραπομπή MLA

Ramakrsnan, K V. Ketavilakku. 2nd ed. Poorna, 1992.