Nair , N. G. K. (2013). PSC GK question bank. Manorama Books.
Chicago Edition CitationNair , N. G. K. PSC GK Question Bank. Kottayam: Manorama Books, 2013.
Cita MLANair , N. G. K. PSC GK Question Bank. Manorama Books, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.