William Vincent. (1998). The commerce and navigation of the ancients in the Indian ocean (v.2: The Periplus of the Erythrean sea). Asian Educational Services.
Chicago Edition CitationWilliam Vincent. The Commerce and Navigation of the Ancients in the Indian Ocean (v.2: The Periplus of the Erythrean Sea). New Delhi: Asian Educational Services, 1998.
MLA引文William Vincent. The Commerce and Navigation of the Ancients in the Indian Ocean (v.2: The Periplus of the Erythrean Sea). Asian Educational Services, 1998.
警告：這些引文格式不一定是100％准確.