@incollection{:/content/books/9789210451710s007-c227, author = "United Nations", title = "Guam", booktitle = "Libro de bolsillo de las estadisticas mundiales 2018", publisher = "United Nations", year = "2019", pages = "116-116", url = "https://www.un-ilibrary.org/content/books/9789210451710s007-c227" }