Aleksić, Dejan. Depo za metro na Bežanijskoj kosi. Politika Online. [2023-08-01]. (原始内容存档于2023-03-05) (波斯尼亚语). Gebze Metrosu o tarihte bitecek!. Kocaeli
(原始内容存档于2020-03-27). Maestro Martinho Lutero Galati de Oliveira morre em SãoPaulo após contrair coronavírus. g1.globo.com. [29 March 2020]. (原始内容存档于2020-03-27)
the book Population Crises and Population cycles by Claire Russell and W.M.S. Russell. Mabel C. Buer, Health, Wealth and Population in the Early Days of