Evenson, R. E. (1976). Costs and returns to rice research. Agricultural Economics Department, International Rice Research Institute.
Chicago-referens (17:e uppl.)Evenson, Robert E. Costs and Returns to Rice Research. Los Baños, Laguna: Agricultural Economics Department, International Rice Research Institute, 1976.
MLA-referens (9:e uppl.)Evenson, Robert E. Costs and Returns to Rice Research. Agricultural Economics Department, International Rice Research Institute, 1976.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.