Lohithakshan, A. K. (2002). Paristhithi niyamangal. Kerala Bhasha Institute.
Chicago Edition CitationLohithakshan, A. K. Paristhithi Niyamangal. Thiruvananthapuram: Kerala Bhasha Institute, 2002.
MLA Edition CitationLohithakshan, A. K. Paristhithi Niyamangal. Kerala Bhasha Institute, 2002.
Warning: These citations may not always be 100% accurate.