Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Yotov, V. (2016). The landscape change at Lower Danube in the Middle Ages: The Varna example (late 9th-beginning of 12th centuries). Editura "Astra Museum".

Chicago Citation Edition Citation

Yotov, Valeri. The Landscape Change at Lower Danube in the Middle Ages: The Varna Example (late 9th-beginning of 12th Centuries). Sibiu: Editura "Astra Museum", 2016.

MLA Citation Edition Citation

Yotov, Valeri. The Landscape Change at Lower Danube in the Middle Ages: The Varna Example (late 9th-beginning of 12th Centuries). Editura "Astra Museum", 2016.