Purushothaman P. O. (1999). Tharathamyasahityam: Tatvavum prasakthiyum. State Institute of Languages.
Chicago Edition CitationPurushothaman P. O. Tharathamyasahityam: Tatvavum Prasakthiyum. Thiruvananthapuram: State Institute of Languages, 1999.
MLA Edition CitationPurushothaman P. O. Tharathamyasahityam: Tatvavum Prasakthiyum. State Institute of Languages, 1999.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.