എസ് കെ നായര്, സ., & S K Nair, C. (1957). പ്രാചീനസുധ (1st.). Current Books.
Citação norma Chicagoഎസ് കെ നായര്, സമ്പാ, and Comp S K Nair. പ്രാചീനസുധ. 1st. Trichur: Current Books, 1957.
Citação norma MLAഎസ് കെ നായര്, സമ്പാ, and Comp S K Nair. പ്രാചീനസുധ. 1st. Current Books, 1957.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.