APA (7a ed.)

Centro de Comercio Internacional. United Nations Conference on Trade and Development. General Agreement on Tariffs and Trade, U. G. (1972). El mercado de legumbres y hortalizas deshidratadas en Austria, Dinamarca, república Federal de Alemania, Noruega, Suecia y Suiza. Centro de Comercio Internacional. United Nations Conference on Trade and Development. General Agreement on Tariffs and Trade.