Ezhuthachan Thunchathu. (1991). Adhyatmaramayanam. Sreeramadasa Asramam.
Čikaški stil citiranjaEzhuthachan Thunchathu. Adhyatmaramayanam. Thiruvananthapuram: Sreeramadasa Asramam, 1991.
MLA način citiranjaEzhuthachan Thunchathu. Adhyatmaramayanam. Sreeramadasa Asramam, 1991.
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