Hordiienko, D. (2016). Political Thought of the Ukrainian Middle Ages (Review): O.B. Kyrychok, Pysemnist iak politychnyi fenomen: zmist, atrybuty, formy reprezentatsii (na prykladi doslidzhennia pysemnoi spadshchyny Kyivskoi Rusi), K. (Ukrainskyi Tsentr dukhovnoi kultury) 2016.
Чикаго стиль цитування (17-те видання)Hordiienko, D. Political Thought of the Ukrainian Middle Ages (Review): O.B. Kyrychok, Pysemnist Iak Politychnyi Fenomen: Zmist, Atrybuty, Formy Reprezentatsii (na Prykladi Doslidzhennia Pysemnoi Spadshchyny Kyivskoi Rusi), K. (Ukrainskyi Tsentr Dukhovnoi Kultury) 2016. 2016.
Стиль цитування MLA (8-ме видання)Hordiienko, D. Political Thought of the Ukrainian Middle Ages (Review): O.B. Kyrychok, Pysemnist Iak Politychnyi Fenomen: Zmist, Atrybuty, Formy Reprezentatsii (na Prykladi Doslidzhennia Pysemnoi Spadshchyny Kyivskoi Rusi), K. (Ukrainskyi Tsentr Dukhovnoi Kultury) 2016. 2016.