Não informado. (1968). Food Research Institute studies in agricultural economics, trade and development. Stanford University.
Lua i Stíl Chicago (17ú heag.)Não informado. Food Research Institute Studies in Agricultural Economics, Trade and Development. Stanford, Conn: Stanford University, 1968.
Lua MLA (8ú heag.)Não informado. Food Research Institute Studies in Agricultural Economics, Trade and Development. Stanford University, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.