APA引文

Walfson, M. Changing approaches to population problems. Oxford and IBH.

Chicago Style (17th ed.) Citation

Walfson, Margaret. Changing Approaches to Population Problems. Oxford and IBH.

MLA引文

Walfson, Margaret. Changing Approaches to Population Problems. Oxford and IBH.

警告：这些引文格式不一定是100％准确.