Ravi Irinchayam. (1992). Bhashabhyasanathinu oru bhoomika. Kerala Bhasha Institute.
Chicago Edition CitationRavi Irinchayam. Bhashabhyasanathinu Oru Bhoomika. Thiruvananthapuram: Kerala Bhasha Institute, 1992.
MLA引文Ravi Irinchayam. Bhashabhyasanathinu Oru Bhoomika. Kerala Bhasha Institute, 1992.
警告:這些引文格式不一定是100%准確.