Roussev, I. The Black Sea Port-City in the Road of Modernization. The First Modern Attempts in Varna during the 1840s-1870s. Corfu, Greece: Ionian University, 2016 pp. 213-224.- (Black Sea Project Working Papers;1), ISBN 978-960-7260-56-7.
Roussev, I. The Black Sea Port-City in the Road of Modernization. The First Modern Attempts in Varna during the 1840s-1870s. Corfu, Greece: Ionian University, 2016 pp. 213-224.- (Black Sea Project Working Papers;1), ISBN 978-960-7260-56-7.
Roussev, I. (2016) The Black Sea Port-City in the Road of Modernization. The First Modern Attempts in Varna during the 1840s-1870s, Corfu, Greece: Ionian University pp. 213-224.- (Black Sea Project Working Papers;1), ISBN 978-960-7260-56-7.
Roussev, I. (2016). The Black Sea Port-City in the Road of Modernization. The First Modern Attempts in Varna during the 1840s-1870s. Corfu, Greece: Ionian University, pp. 213-224.- (Black Sea Project Working Papers;1).
Roussev I. The Black Sea Port-City in the Road of Modernization. The First Modern Attempts in Varna during the 1840s-1870s. Corfu, Greece: Ionian University; 2016. p. pp. 213-224.- (Black Sea Project Working Papers;1). ISBN: ISBN 978-960-7260-56-7.
