വെള്ളായ്ക്കല് ഗോപിനാഥ് & Vellaykkal Gopinath. (1977). സാമം (1st.). Sahitya Pravarthaka Co-Operative Society Ltd.
Citação norma Chicagoവെള്ളായ്ക്കല് ഗോപിനാഥ് and Vellaykkal Gopinath. സാമം. 1st. Kottayam: Sahitya Pravarthaka Co-Operative Society Ltd, 1977.
Citação norma MLAവെള്ളായ്ക്കല് ഗോപിനാഥ് and Vellaykkal Gopinath. സാമം. 1st. Sahitya Pravarthaka Co-Operative Society Ltd, 1977.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.