APA Баримт

UN. (2007). Hemispheric transport of air pollution 2007. United Nations.

Чикаго маягийн жагсаалт

UN. Hemispheric Transport of Air Pollution 2007. Geneva: United Nations, 2007.

MLA ишлэл

UN. Hemispheric Transport of Air Pollution 2007. United Nations, 2007.

Warning: These citations may not always be 100% accurate.