Havrylenko, O. 2018. Genesis of consular institutions of european countries in Aincient and Middle Ages. The Journal of V. N. Karazin Kharkiv National University. Series: International Relations. Economics. Country Studies. Tourism. 7 (Apr. 2018), 16-20. DOI:https://doi.org/10.26565/2310-9513-2018-7-02.