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
"Webster, David L. and National Geographic Society-Tulane University Program of Research in Campeche","Defensive earthworks at Becan, Campeche, Mexico : implications for Maya warfare",,"Middle American Research Institute, Tulane University",1976,Publication,,,,https://cir.nii.ac.jp/crid/1130000797426998400