APA-referens

Geethakutty P S & Menon A G G. (1993). Fertiliser use Behaviour of Rice Farmers of Kerala. Department of Agricultural Extension, College of Horticulture.

Chicago-stil citat

Geethakutty P S och Menon A G G. Fertiliser Use Behaviour of Rice Farmers of Kerala. Vellanikkara: Department of Agricultural Extension, College of Horticulture, 1993.

MLA-referens

Geethakutty P S och Menon A G G. Fertiliser Use Behaviour of Rice Farmers of Kerala. Department of Agricultural Extension, College of Horticulture, 1993.