APA-referens

Muthu Kannan M & Durga Devi K M. (2003). Persistence of Selective Herbicides in Rice -Rice System. Department of Soil Science and Agricultural Chemistry, College of Horticulture.

Chicago-stil citat

Muthu Kannan M och Durga Devi K M. Persistence of Selective Herbicides in Rice -Rice System. Vellanikkara: Department of Soil Science and Agricultural Chemistry, College of Horticulture, 2003.

MLA-referens

Muthu Kannan M och Durga Devi K M. Persistence of Selective Herbicides in Rice -Rice System. Department of Soil Science and Agricultural Chemistry, College of Horticulture, 2003.