APA引文

United Nations Environment Programme. (2001). India: State of the environment 2001. United Nations Environment Programme.

Chicago Style (17th ed.) Citation

United Nations Environment Programme. India: State of the Environment 2001. Bangkok: United Nations Environment Programme, 2001.

MLA引文

United Nations Environment Programme. India: State of the Environment 2001. United Nations Environment Programme, 2001.

警告：这些引文格式不一定是100％准确.