United Nations. Economic and Social Commission for Western Asia. (2001). Development of guidelines for harmonized environmental impact assessment suitable for the ESCWA region. United Nations.
Чикаго стиль цитування (17-те видання)United Nations. Economic and Social Commission for Western Asia. Development of Guidelines for Harmonized Environmental Impact Assessment Suitable for the ESCWA Region. New York: United Nations, 2001.
Стиль цитування MLA (9-ме видання)United Nations. Economic and Social Commission for Western Asia. Development of Guidelines for Harmonized Environmental Impact Assessment Suitable for the ESCWA Region. United Nations, 2001.
Попередження: стилі цитування не завжди правильні на всі 100%.