gorzelak,grzegorz, & jalowiecki,bohdan. (1993). regional question in europe question regionale en europe. university of warsaw.
芝加哥风格引文gorzelak,grzegorz, 与 jalowiecki,bohdan. Regional Question in Europe Question Regionale En Europe. warsaw: university of warsaw, 1993.
MLA引文gorzelak,grzegorz, 与 jalowiecki,bohdan. Regional Question in Europe Question Regionale En Europe. university of warsaw, 1993.
警告：这些引文格式不一定是100％准确.