APA
Publications of Economics Divisions: Tenth Five Year Plan period 2002-03 to 2006-07. Kottayam: Rubber Research Institute of India.
Chicago
Publications of Economics Divisions: Tenth Five Year Plan period 2002-03 to 2006-07. Kottayam: Rubber Research Institute of India.
Harvard
Publications of Economics Divisions: Tenth Five Year Plan period 2002-03 to 2006-07. Kottayam: Rubber Research Institute of India.
MLA
Kottayam: Rubber Research Institute of India. .