ഉള്ളൂ൪ എസ് പരമേശ്വരയ്യ൪ & Ulloor S Parameswara Iyer. (1962). ശരണോപഹാരം (2nd.). Ullur Publishers.
Citação norma Chicagoഉള്ളൂ൪ എസ് പരമേശ്വരയ്യ൪ and Ulloor S Parameswara Iyer. ശരണോപഹാരം. 2nd. Thiruvananthapuram: Ullur Publishers, 1962.
Citação norma MLAഉള്ളൂ൪ എസ് പരമേശ്വരയ്യ൪ and Ulloor S Parameswara Iyer. ശരണോപഹാരം. 2nd. Ullur Publishers, 1962.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.