India. Dept. of Fertilizers. (1987). Annual report. Department of Fertilizers, Ministry of Agriculture.
Chicago-referens (17:e uppl.)India. Dept. of Fertilizers. Annual Report. [New Delhi?]: Department of Fertilizers, Ministry of Agriculture, 1987.
MLA-referens (8:e uppl.)India. Dept. of Fertilizers. Annual Report. Department of Fertilizers, Ministry of Agriculture, 1987.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.