The Principles of basic institutions of the system of government in Poland / translated by Albert Pol ; [edited by Paweł Sarnecki, Andrzej Szmyt, Zbigniew Witkowski.]. Wyd. 1.
The Principles of basic institutions of the system of government in Poland / translated by Albert Pol ; [edited by Paweł Sarnecki, Andrzej Szmyt, Zbigniew Witkowski.].