ഉള്ളൂ൪ എസ് പരമേശ്വരയ്യ൪ & Ulloor S Parameswara Iyer. (1961). ഹൃദയകൌമുദി (4th.). Ullur Publishers.
Stile di citazione Chicagoഉള്ളൂ൪ എസ് പരമേശ്വരയ്യ൪ e Ulloor S Parameswara Iyer. ഹൃദയകൌമുദി. 4th. Thiruvananthapuram: Ullur Publishers, 1961.
Citazione MLAഉള്ളൂ൪ എസ് പരമേശ്വരയ്യ൪ e Ulloor S Parameswara Iyer. ഹൃദയകൌമുദി. 4th. Ullur Publishers, 1961.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.