APA
Fertiliser association of India N. r., Pal B. (. a. e., Teotia U. S. (. a. e. & Tewatia R. K. (. a. e.Fertiliser and agriculture statistics: Northern region,Uttar Pradesh, Punjab, Haryana, Rajasthan, Jammu and Kashmir,Himachal Pradesh, Delhi and Chandigarh 1999 -2000. New Delhi: .
Chicago
Fertiliser association of India Northern region, Pal Bhisham (comp and ed), Teotia U S (comp and ed) and Tewatia R K (comp and ed).Fertiliser and agriculture statistics: Northern region,Uttar Pradesh, Punjab, Haryana, Rajasthan, Jammu and Kashmir,Himachal Pradesh, Delhi and Chandigarh 1999 -2000. New Delhi: .
Harvard
Fertiliser association of India N. r., Pal B. (. a. e., Teotia U. S. (. a. e. and Tewatia R. K. (. a. e.Fertiliser and agriculture statistics: Northern region,Uttar Pradesh, Punjab, Haryana, Rajasthan, Jammu and Kashmir,Himachal Pradesh, Delhi and Chandigarh 1999 -2000. New Delhi: .
MLA
Fertiliser association of India Northern region, Pal Bhisham (comp and ed), Teotia U S (comp and ed) and Tewatia R K (comp and ed).New Delhi: . .