Brennan, P. A. 3. (2). Costa Ricans confused by State Reform.
芝加哥风格引文Brennan, Peter Autor 39893. Costa Ricans Confused by State Reform. 2.
MLA引文Brennan, Peter Autor 39893. Costa Ricans Confused by State Reform. 2.
警告：这些引文格式不一定是100％准确.
APA引文