21.乳香和檀香的垄断：朱彧《萍洲可谈》，宋元笔记丛书（1989），第1卷，第2页。
22.1000艘船只：O. W. Wolters, “Studying ?rīvijaya.” Early Souteast Asia: Selected Essays, ed. Craig J. Reynolds (2008): 77-108,92-94; “Restudying Some Chinese Writings on Sriwijaya.” 109-147, 在同一卷中。
23.独桅三角帆船……的主要制造中心：朴贤熙, Mapping the Chinese and Islamic Worlds: Cross-Cultural Exchange in Pre-modern Asia (2013): 30—31页提到独桅三角帆船，69—70页, 219页注释58提到了黄巢起义。
24.“帕侬素林号”沉船：John Guy, “The Phanom Surin Shipwreck, a Pahlavi Inscription, and Their Significance for the History of Early Lower Central Thailand.” Journal of the Siam Society 105 (2017): 179-196.