APA-viite

Sreekumar, D. (1984). The economics of screwpine industry in karunagapally taluk.

Chicago-tyylinen lähdeviittaus

Sreekumar, D. The Economics of Screwpine Industry in Karunagapally Taluk. University of Kerala, 1984.

MLA-viite

Sreekumar, D. The Economics of Screwpine Industry in Karunagapally Taluk. 1984.