Clavel, L. S. (1991). Government information in practice. Asian Institute of Journalism.
芝加哥风格引文Clavel, Leothiny S. Government Information in Practice. Manila: Asian Institute of Journalism, 1991.
MLA引文Clavel, Leothiny S. Government Information in Practice. Asian Institute of Journalism, 1991.
警告：这些引文格式不一定是100％准确.