ഉള്ളൂർ എസ്. പരമേശ്വരയ്യർ. Ulloor S Parameswara Aiyer. (1974). കേരളസാഹിത്യചരിത്രം: Kerala Sahithya Charitram. Department of Publications,for the University of kerala.
Citação norma Chicagoഉള്ളൂർ എസ്. പരമേശ്വരയ്യർ. Ulloor S Parameswara Aiyer. കേരളസാഹിത്യചരിത്രം: Kerala Sahithya Charitram. Thiruvananthapuram: Department of Publications,for the University of kerala, 1974.
Citação norma MLAഉള്ളൂർ എസ്. പരമേശ്വരയ്യർ. Ulloor S Parameswara Aiyer. കേരളസാഹിത്യചരിത്രം: Kerala Sahithya Charitram. Department of Publications,for the University of kerala, 1974.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.