APA引文

United Nations Conference on Trade and Development. (2018). Commodities at a glance: Special issue on gum arabic. United Nations.

Chicago Style (17th ed.) Citation

United Nations Conference on Trade and Development. Commodities at a Glance: Special Issue on Gum Arabic. New York: United Nations, 2018.

MLA引文

United Nations Conference on Trade and Development. Commodities at a Glance: Special Issue on Gum Arabic. United Nations, 2018.

警告：這些引文格式不一定是100％准確.