郭建龙著. (2019). 汴京之围：the foreign affairs, the war and the people in late northern Song Dynasty. 天地出版社.
Dyfyniad Arddull Chicago郭建龙著. 汴京之围：the Foreign Affairs, the War and the People in Late Northern Song Dynasty. 天地出版社, 2019.
Dyfyniad MLA郭建龙著. 汴京之围：the Foreign Affairs, the War and the People in Late Northern Song Dynasty. 天地出版社, 2019.
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