കാർത്തികേയൻ, ഷ., & Karthikeyan, S. (1996). മധ്യകാല കേരള ഭാഷ. Kerala Bhasha Institute.
Citação norma Chicagoകാർത്തികേയൻ, ഷൊർണൂർ, and Shornur Karthikeyan. മധ്യകാല കേരള ഭാഷ. Thiruvananthapuram: Kerala Bhasha Institute, 1996.
Citação norma MLAകാർത്തികേയൻ, ഷൊർണൂർ, and Shornur Karthikeyan. മധ്യകാല കേരള ഭാഷ. Kerala Bhasha Institute, 1996.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.