著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL United Nations. Economic Commission for Latin America and Food and Agriculture Organization of the United Nations and International Labour Office and Inter-American Institute for Cooperation on Agriculture and Permanent Secretariat of the General Treaty for Central American Economic Integration and Organization of American States,Tenencia de la tierra y desarrollo rural en Centroamérica,2. ed,Editorial Universitaria Centroamericana,1976,Colección Seis,,,,https://cir.nii.ac.jp/crid/1130282270569663872