Kusuman, K. K. (2003). Issues in kerala historiography. University of Kerala.
Chicago Style aipamenaKusuman, K. K. Issues in Kerala Historiography. Thiruvananthapuram: University of Kerala, 2003.
MLA aipamenaKusuman, K. K. Issues in Kerala Historiography. University of Kerala, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.