Lohitakshan, A. (1992). Upaboktra sarakshna niyamagal. Kerala Bhasha Institute.
Chicago Edition CitationLohitakshan, Ak. Upaboktra Sarakshna Niyamagal. Thiruvananthapuram: Kerala Bhasha Institute, 1992.
MLA Edition CitationLohitakshan, Ak. Upaboktra Sarakshna Niyamagal. Kerala Bhasha Institute, 1992.
Warning: These citations may not always be 100% accurate.