《梁书·列传·卷五十四》
它的境域由束到西有三十天的行程，由南到北有二十天的行程。狼牙脩国距广州二万四千里，那裹的土地、气候、物产，与扶南国大致相同，出产的筏沉婆律香等偏多。
其界东西三十日行，南北二十日行，去广州二万四千里。土气物产与扶南略同，偏多祼沉婆律香等。
Its borders, from east to west, 30 days of travel, from south to north, 20 days of travel. Langya Xiu is 24 thousand miles from Guangzhou, the land, weather, and products are generally the same as Funan, producing especially raft sinking fragrant wood.