United nations. (1990). United Nations Centre for Human Settlements: Corrosion Damage to Concrete Structures in Western Asia. United Nations.
Чикаго маягийн жагсаалтUnited nations. United Nations Centre for Human Settlements: Corrosion Damage to Concrete Structures in Western Asia. Nairobi: United Nations, 1990.
MLA ишлэлUnited nations. United Nations Centre for Human Settlements: Corrosion Damage to Concrete Structures in Western Asia. United Nations, 1990.
Warning: These citations may not always be 100% accurate.