อ้างอิง ของ แอแลนาแห่งบัลแกเรีย

Ćirković, Sima (2004). The Serbs. Malden: Blackwell Publishing.CS1 maint: ref=harv (link)
Fine, John Van Antwerp Jr. (1994) [1987]. The Late Medieval Balkans: A Critical Survey from the Late Twelfth Century to the Ottoman Conquest. Ann Arbor, Michigan: University of Michigan Press.CS1 maint: ref=harv (link)
Miodrag Al Purković (1975). Jelena: žena cara Dušana. Izdanje Srpske pravoslavne eparhije za zapadnu Evropu.
Soulis, George Christos (1984). The Serbs and Byzantium during the reign of Tsar Stephen Dušan (1331-1355) and his successors. Washington: Dumbarton Oaks Library and Collection.CS1 maint: ref=harv (link)

ใกล้เคียง

แหล่งที่มา