1234Lung Tsun-Ni 龍村倪code: zh is deprecated (1998). 東沙群島-東沙島紀事集錦 (dalam bahasa Chinese (Taiwan)). Taipei: 臺灣綜合研究院. ISBN957-98189-0-8. Diarsipkan dari asli tanggal 30 January 2009. Pemeliharaan CS1: Banyak nama: authors list (link) Pemeliharaan CS1: Nama numerik: authors list (link) p.13: "東沙島為東沙群島唯一島嶼" (Translation: Pratas Island is the only island in the Pratas Islands)
12"Limits in the Seas - No. 127 Taiwan's Maritime Claims"(PDF). United States Department of State. November 15, 2005. Diarsipkan(PDF) dari versi aslinya tanggal 15 July 2020. Diakses tanggal July 1, 2012. The Pratas Reef lies 230 miles to the southwest of the southern tip of Taiwan.26 It consists of an island in the mouth of a semicircular shoal open to the west. The segments D1-D4 close the mouth by connecting the headlands of the shoal with the island.
12Dieter Heinzig[in Jerman] (1976). Disputed Islands in the South China Sea(PDF). hlm.14, 19, 32, 56. ISBN3-447-01804-6. Diarsipkan(PDF) dari versi aslinya tanggal 22 January 2017. p.14: "Strictly speaking, only one of the four controversial archipelagos may truly be referred to as a group of islands: the Paracels. The Pratas consist of one island and two sands."