Gwizdz, A. (1966). State system of the polish peoples republic. Polina publishing house.
シカゴスタイル引用形Gwizdz, Andrzej. State System of the Polish Peoples Republic. Warsaw: Polina publishing house, 1966.
MLA引用形式Gwizdz, Andrzej. State System of the Polish Peoples Republic. Polina publishing house, 1966.
警告: この引用は必ずしも正確ではありません.