APA-referens

Vyas N G & Surendran Nair C. (2002). Methods to increase the efficiency of rajphos (jamarkhotra rockphosphate) in the black soils of Palakkad district for rice. Department of Soil Science and Agriculture, College of Agriculture.

Chicago-stil citat

Vyas N G och Surendran Nair C. Methods to Increase the Efficiency of Rajphos (jamarkhotra Rockphosphate) in the Black Soils of Palakkad District for Rice. Vellayani: Department of Soil Science and Agriculture, College of Agriculture, 2002.

MLA-referens

Vyas N G och Surendran Nair C. Methods to Increase the Efficiency of Rajphos (jamarkhotra Rockphosphate) in the Black Soils of Palakkad District for Rice. Department of Soil Science and Agriculture, College of Agriculture, 2002.