Włodzimierz, Pianka (1970). Топономастиката на Охридско–Преспанскиот базен [The Toponymy of the Ohrid–Prespa basin] (in Macedonian). Institut za makedonski jazik "Krste Misirkov". p. 141.
Pettifer, James; Vickers, Miranda (2021). Lakes and Empires in Macedonian History: Contesting the Waters. Bloomsbury Publishing. p. 126. ISBN9781350226142. "British writers John Crossland and Diana Constance visited the area in 1981 and found access to much of the new 'wild and lonely' National Park restricted by the military, which prevented visitors from going beyond Agios Achilleos village unless they had a special pass from the garrison in Kastoria."
Crivelli, Alain J.; Catsadorakis, George; Malakou, M.; Rosecchi, E. (1997). "Fish and fisheries of the Prespa lakes". In Crivelli, Alain J.; Catsadorakis, George (eds.). Lake Prespa, Northwestern Greece: A Unique Balkan Wetland. Springer. pp. 115–116, 118. ISBN9789401151801.
Papadopoulos, Dimitris (2016). "Ecologies of Ruin: (Re)bordering, Ruination, and Internal Colonialism in Greek Macedonia, 1913–2013". International Journal of Historical Archaeology. 20 (3): 635–636. doi:10.1007/s10761-016-0364-3. "In 1971 the bishop of the town of Florina took the initiative of erecting an oversize concrete cross on the islet's highest hilltop (Fig.8). The cross was based on the inscription at the bottom, "a symbol of the sacrifices and martyrdom of Greek people bearing the Cross among the nations""
Papadopoulos, Dimitris (2016). "Ecologies of Ruin: (Re)bordering, Ruination, and Internal Colonialism in Greek Macedonia, 1913–2013". International Journal of Historical Archaeology. 20 (3): 635–636. doi:10.1007/s10761-016-0364-3. "In 1971 the bishop of the town of Florina took the initiative of erecting an oversize concrete cross on the islet's highest hilltop (Fig.8). The cross was based on the inscription at the bottom, "a symbol of the sacrifices and martyrdom of Greek people bearing the Cross among the nations""
Stavropoulos, Lambros (27 July 2013). "Ο «μεγάλος αρχηγός» διάλεξε την κρεμάλα" [The «great leader» chose the gallows] (in Greek). To Vima. Retrieved 20 February 2025.