एपीए उद्धरण

Sreemandiram. (1990). Keralathile sarkar jeevanakkarude sevanavyavasthakal (m). Sreemandiram.

शिकागो स्टाइल उद्धरण

Sreemandiram. Keralathile Sarkar Jeevanakkarude Sevanavyavasthakal (m). Kottayam: Sreemandiram, 1990.

एमएलए उद्धरण

Sreemandiram. Keralathile Sarkar Jeevanakkarude Sevanavyavasthakal (m). Sreemandiram, 1990.