Catral, A. B., & Cabbab, J. F. A. (2002). Censorship of electronic information in academic libraries.
芝加哥风格引文Catral, Aldwin B., 与 Johann Frederick A. Cabbab. Censorship of Electronic Information in Academic Libraries. Quezon City : Institute of Library Science, University of the Philippines Diliman, 2002.
MLA引文Catral, Aldwin B., 与 Johann Frederick A. Cabbab. Censorship of Electronic Information in Academic Libraries. 2002.
警告：这些引文格式不一定是100％准确.