Derek Heng Thiam Soon (2002). "Reconstructing Banzu, a Fourteenth-Century Port Settlement in Singapore". Journal of the Malaysian Branch of the Royal Asiatic Society. 75, No. 1 (282): 69–90. JSTOR41493463.
"島夷誌略: 班卒". Full original text: 地勢連龍牙門後山,若纏若斷,起凹峯而盤結,故民環居焉。田瘠,穀少登。氣候不齊,夏則多雨而微寒。俗質,披短髮,緞錦纏頭,紅紬布繫身。煮海為鹽,釀米為酒,名明家西。有酋長。地產上等鶴頂、中等降眞、木綿花。貿易之貨,用絲布、鐵條、土印布、赤金、甆器、鐵鼎之屬。 (There are some slight variations in the text from different sources.)