APA

Rajarajavarma A. R., .Malayala sakunthalam (m). : Sahitya Pravarthaka Co-Operatuve society Ltd., Kottayam.

Chicago

Rajarajavarma A R, .Malayala sakunthalam (m). : Sahitya Pravarthaka Co-Operatuve society Ltd., Kottayam.

Harvard

Rajarajavarma A. R., .Malayala sakunthalam (m). : Sahitya Pravarthaka Co-Operatuve society Ltd., Kottayam.

MLA

Rajarajavarma A R, .: Sahitya Pravarthaka Co-Operatuve society Ltd., Kottayam. .