(2000). Vigan: An electronic document on Vigan : the past, present and future. Office of the Mayor.
芝加哥风格引文Vigan: An Electronic Document on Vigan : The Past, Present and Future. Vigan: Office of the Mayor, 2000.
MLA引文Vigan: An Electronic Document on Vigan : The Past, Present and Future. Office of the Mayor, 2000.
警告：这些引文格式不一定是100％准确.