Παραπομπή APA

Sunny, P. J. (2017). Kalam kaalam (3rd ed.). Poorna.

Παραπομπή Chicago Style

Sunny, P J. Kalam Kaalam. 3rd ed. KOzhikode: Poorna, 2017.

Παραπομπή MLA

Sunny, P J. Kalam Kaalam. 3rd ed. Poorna, 2017.