APA aipamena

John M. Chalakkal. (1987). Keralathile sahakaranaprasthanam. Bhasha Institute.

Chicago Style aipamena

John M. Chalakkal. Keralathile Sahakaranaprasthanam. Thiruvananthapuram: Bhasha Institute, 1987.

MLA aipamena

John M. Chalakkal. Keralathile Sahakaranaprasthanam. Bhasha Institute, 1987.