Παραπομπή σε μορφή APA (7η εκδ.)

Σούλης, Γ. Χ. (1995). The Serbs and Byzantium during the reign of Tsar Stephen Dusan (1331-1355) and his successors. Βάνιας.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Σούλης, Γεώργιος Χρ. The Serbs and Byzantium During the Reign of Tsar Stephen Dusan (1331-1355) and His Successors. Αθήναι: Βάνιας, 1995.

Παραπομπή σε μορφή MLA (9th εκδ.)

Σούλης, Γεώργιος Χρ. The Serbs and Byzantium During the Reign of Tsar Stephen Dusan (1331-1355) and His Successors. Βάνιας, 1995.