APA Баримт

United Nations. (1996). The State of Transboundary Air Pollution: Air Pollution Studies 12. UN.

Чикаго маягийн жагсаалт

United Nations. The State of Transboundary Air Pollution: Air Pollution Studies 12. Geneva: UN, 1996.

MLA ишлэл

United Nations. The State of Transboundary Air Pollution: Air Pollution Studies 12. UN, 1996.

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