International Rice Research Institute. (1974). An agro-climatic classification for evaluating cropping systems potentials in Southeast Asian rice growing regions. [s.n.].
Chicago-referens (17:e uppl.)International Rice Research Institute. An Agro-climatic Classification for Evaluating Cropping Systems Potentials in Southeast Asian Rice Growing Regions. Los Banos, Laguna: [s.n.], 1974.
MLA-referens (9:e uppl.)International Rice Research Institute. An Agro-climatic Classification for Evaluating Cropping Systems Potentials in Southeast Asian Rice Growing Regions. [s.n.], 1974.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.