APA引文

(2011). Humanitarian charter and minimum standards in humanitarian response. The Sphere Project.

Chicago Style (17th ed.) Citation

Humanitarian Charter and Minimum Standards in Humanitarian Response. United Kingdom: The Sphere Project, 2011.

MLA引文

Humanitarian Charter and Minimum Standards in Humanitarian Response. The Sphere Project, 2011.

警告：這些引文格式不一定是100％准確.