"Murad I". Encyclopædia Britannica Inc., 2014. Web. 19 Dec. 2014.
kultur.gov.tr
"In 1363 the Ottoman capital moved from Bursa to Edirne, although Bursa retained its spiritual and economic importance." Ottoman Capital BursaArchived 2016-03-05 at the वेबैक मशीन. Official website of Ministry of Culture and Tourism of the Republic of Turkey. Retrieved 19 December 2014.
web.archive.org
"In 1363 the Ottoman capital moved from Bursa to Edirne, although Bursa retained its spiritual and economic importance." Ottoman Capital BursaArchived 2016-03-05 at the वेबैक मशीन. Official website of Ministry of Culture and Tourism of the Republic of Turkey. Retrieved 19 December 2014.