एपीए उद्धरण

Usha P. (2012). Poonthananthinte bhakthiyum tathwachinthayum. Vallathol Vidyapeetham.

शिकागो स्टाइल उद्धरण

Usha P. Poonthananthinte Bhakthiyum Tathwachinthayum. Sukapuram: Vallathol Vidyapeetham, 2012.

एमएलए उद्धरण

Usha P. Poonthananthinte Bhakthiyum Tathwachinthayum. Vallathol Vidyapeetham, 2012.