Focas, C. (1994). Fares compared: An international comparison of public transport fares. London Research Centre.
芝加哥风格引文Focas, C. Fares Compared: An International Comparison of Public Transport Fares. London Research Centre, 1994.
MLA引文Focas, C. Fares Compared: An International Comparison of Public Transport Fares. London Research Centre, 1994.
警告：这些引文格式不一定是100％准确.