APA (7 वां संस्करण) प्रशस्ति पत्र

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.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

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.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

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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