Ayyappa Panicker, K. E. (1990). Tagorum Keralavum (Ed.2.).
Chicago Style aipamenaAyyappa Panicker, K; Ed. Tagorum Keralavum. Ed.2. 1990.
MLA aipamenaAyyappa Panicker, K; Ed. Tagorum Keralavum. Ed.2. 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.