(1997). Malayala niroopanam: Madhya ghattam. P K Parameswaran Nair Trust.
Chicago Style aipamenaMalayala Niroopanam: Madhya Ghattam. Thiruvananthapuram: P K Parameswaran Nair Trust, 1997.
MLA aipamenaMalayala Niroopanam: Madhya Ghattam. P K Parameswaran Nair Trust, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.