@incollection{:/content/books/9789287043320s007-c021, author = "World Trade Organization", title = "Acuerdo sobre Contratación Pública", booktitle = "Informe Anual 2013", publisher = "WTO", year = "2013", pages = "70-71", url = "https://www.wto-ilibrary.org/content/books/9789287043320s007-c021" }