1992, C. o. P. f. t. S. U. E., & Paulino, c. F. F. (1992). Portugal and the discoveries. Comissariado de Portugal para a Exposição Universal de Sevilha.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি1992, Comission of Portugal for the Seville Universal Exhibition, এবং coord. Francisco Faria Paulino. Portugal and the Discoveries. Comissariado de Portugal para a Exposição Universal de Sevilha, 1992.
M.L.A (8 ম সংস্করণ) উদ্ধৃতি1992, Comission of Portugal for the Seville Universal Exhibition, এবং coord. Francisco Faria Paulino. Portugal and the Discoveries. Comissariado de Portugal para a Exposição Universal de Sevilha, 1992.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.