एपीए उद्धरण

Sreeman Namboothiri, D. Upanishath Sarvaswam (4.). Samrat Publications.

शिकागो स्टाइल उद्धरण

Sreeman Namboothiri, D. Upanishath Sarvaswam. 4. Thrissur: Samrat Publications.

एमएलए उद्धरण

Sreeman Namboothiri, D. Upanishath Sarvaswam. 4. Samrat Publications.