APA引文

The Economist Intelligence Unit. (1999). Best practices: Environment. Univerties Press.

Chicago Style (17th ed.) Citation

The Economist Intelligence Unit. Best Practices: Environment. India: Univerties Press, 1999.

MLA引文

The Economist Intelligence Unit. Best Practices: Environment. Univerties Press, 1999.

警告:這些引文格式不一定是100%准確.