Não informado. (1968). Food Research Institute studies in agricultural economics, trade and development. Stanford University.
Čikaški stil citiranja (17. izdanje)Não informado. Food Research Institute Studies in Agricultural Economics, Trade and Development. Stanford, Conn: Stanford University, 1968.
MLA način citiranja (8. izdanje)Não informado. Food Research Institute Studies in Agricultural Economics, Trade and Development. Stanford University, 1968.
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