↑ Hancox, David; Prescott, Victor (1995). A Geographical Description of the Spratly Islands and an Account of Hydrographic Surveys amongst Those Islands. Maritime Briefings. 1. University of Durham, International Boundaries Research Unit. tr. 10. ISBN978-1897643181.Quản lý CS1: nhiều tên: danh sách tác giả (liên kết)
