വി എസ് നായര് & V S Nair. (1973). ധൂമകേതു (1st.). B K M Book Depot.
Citação norma Chicagoവി എസ് നായര് and V S Nair. ധൂമകേതു. 1st. Champakulam: B K M Book Depot, 1973.
Citação norma MLAവി എസ് നായര് and V S Nair. ധൂമകേതു. 1st. B K M Book Depot, 1973.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.