Concepcion, L. S. A study of a trade exposition: The case of the Valenzuela agro-industrial exposition.
芝加哥风格引文Concepcion, Ligaya S. A Study of a Trade Exposition: The Case of the Valenzuela Agro-industrial Exposition.
MLA引文Concepcion, Ligaya S. A Study of a Trade Exposition: The Case of the Valenzuela Agro-industrial Exposition.
警告：这些引文格式不一定是100％准确.