尽管沙特阿拉伯1932年才成为一个王国，这个沙特家族已经控制国家版土的一部分达266年。
Although Saudi Arabia became a kingdom only in 1932, the al-Saud family has controlled parts of this territory for 266 years.
陈肇元，崔京浩。土钉支护在基坑工程中的应用（第二版）
Chen Zhaoyuan, Cui Jinghao. Application of soil nailing support in foundation pit engineering (the 2nd edition). Beijing: China Architecture and Building Press, 2000.
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