APA引文

Williams, G. (1990). Establishing an effective economic regulatory policy for the European airline industry.

Chicago Style (17th ed.) Citation

Williams, George. Establishing an Effective Economic Regulatory Policy for the European Airline Industry. 1990.

MLA引文

Williams, George. Establishing an Effective Economic Regulatory Policy for the European Airline Industry. 1990.

警告：这些引文格式不一定是100％准确.