Usha P. (2012). Poonthananthinte bhakthiyum tathwachinthayum. Vallathol Vidyapeetham.
Chicago Edition CitationUsha P. Poonthananthinte Bhakthiyum Tathwachinthayum. Sukapuram: Vallathol Vidyapeetham, 2012.
MLA Edition CitationUsha P. Poonthananthinte Bhakthiyum Tathwachinthayum. Vallathol Vidyapeetham, 2012.
Warning: These citations may not always be 100% accurate.