(1979). തിരഞ്ഞെടുത്ത ശാസ്ത്ര കഥകള് (1st.). Scientific Technical And Educatonal Publishing Co-operative Society.
Citação norma Chicagoതിരഞ്ഞെടുത്ത ശാസ്ത്ര കഥകള്. 1st. Scientific Technical And Educatonal Publishing Co-operative Society, 1979.
Citação norma MLAതിരഞ്ഞെടുത്ത ശാസ്ത്ര കഥകള്. 1st. Scientific Technical And Educatonal Publishing Co-operative Society, 1979.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.