Coba jelasin Lihat pula dari Manuel Godinho de Erédia dong

Borschberg, Peter, "Singapura in Early Modern Cartography: A Sea of Challenges", in Visualising Space. Maps of Singapore and the Region. Collections from the National Library and National Archives of Singapore (Singapore: NLB, 2015): 6-33. https://www.academia.edu/8681191

Gibson-Hill, Carl-Alexander, "Singapore: Note on the History of the Old Straits, 1580–1850", Journal of the Malayan Branch of the Royal Asiatic Society, 27.1 (1954): 165-214.