Guangzhou (196 BC) — the same event in Đại Việt sử ký toàn thư and Book of Han

Đại Việt sử ký toàn thư: Han sent Lu Jia to enfeoff Zhao Tuo as King of Nanyue, giving him a seal and tallies so that envoys could pass.; Book of…

What each source says

Han sent Lu Jia to enfeoff Zhao Tuo as King of Nanyue, giving him a seal and tallies so that envoys could pass.

漢既定天下，聞帝亦己王越，因遣陸賈，往拜帝為南越王，授璽綬，剖符通使，使和集百粵，毋為寇災。
Location: 外紀卷之二「乙巳十二年（公元前一九六年）。漢」

He sent Lu Jia to enfeoff Zhao Tuo (Wei Tuo) as King of Nanyue at Panyu.

今立它為南粵王。」使陸賈即授璽綬
Location: 漢書卷001 漢高祖十一年五月