Webster, D. L. (1976). Defensive earthworks at Becan, Campeche, Mexico: Implications for Maya warfare. Middle American Research Institute, Tulane University.
Chicago Style (17th ed.) CitationWebster, David L. Defensive Earthworks at Becan, Campeche, Mexico: Implications for Maya Warfare. New Orleans: Middle American Research Institute, Tulane University, 1976.
MLA引文Webster, David L. Defensive Earthworks at Becan, Campeche, Mexico: Implications for Maya Warfare. Middle American Research Institute, Tulane University, 1976.
警告:這些引文格式不一定是100%准確.