एपीए उद्धरण

Purushothaman P O. (1999). Tharathamyasahithyam Thathvavum Prasakthiyum. State Institute of Languages.

शिकागो स्टाइल उद्धरण

Purushothaman P O. Tharathamyasahithyam Thathvavum Prasakthiyum. Thiruvananthapuram: State Institute of Languages, 1999.

एमएलए उद्धरण

Purushothaman P O. Tharathamyasahithyam Thathvavum Prasakthiyum. State Institute of Languages, 1999.