APA aipamena

G.R.Pillai. (1994). Vanijyaparamaya Kathidapadukal: Commercial correspondance. Kerala Bhasha Institute.

Chicago Style aipamena

G.R.Pillai. Vanijyaparamaya Kathidapadukal: Commercial Correspondance. Thiruvananthapuram: Kerala Bhasha Institute, 1994.

MLA aipamena

G.R.Pillai. Vanijyaparamaya Kathidapadukal: Commercial Correspondance. Kerala Bhasha Institute, 1994.