Soucek, Svat (1994), "Piri Reis and Ottoman Discovery of the Great Discoveries", Studia Islamica, Maisonneuve &, 79 (79): 121–142 [123 & 134–6], doi:10.2307/1595839, JSTOR1595839
jstor.org
Soucek, Svat (1994), "Piri Reis and Ottoman Discovery of the Great Discoveries", Studia Islamica, Maisonneuve &, 79 (79): 121–142 [123 & 134–6], doi:10.2307/1595839, JSTOR1595839