Nandakumar, K. (1973). Vyavasayamanagement Nutanapravanathakal. State Institute of Languages.
Chicago Edition CitationNandakumar, K. Vyavasayamanagement Nutanapravanathakal. Trivandrum: State Institute of Languages, 1973.
Cita MLANandakumar, K. Vyavasayamanagement Nutanapravanathakal. State Institute of Languages, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.