Não informado. (1968). Food Research Institute studies in agricultural economics, trade and development. Stanford University.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Food Research Institute Studies in Agricultural Economics, Trade and Development. Stanford, Conn: Stanford University, 1968.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Food Research Institute Studies in Agricultural Economics, Trade and Development. Stanford University, 1968.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.