Brecht-Eislerkoor, B. 669/X.1: Facebook-pagina van Brussels Brecht-Eislerkoor.
芝加哥风格引文Brecht-Eislerkoor, Brussels. 669/X.1: Facebook-pagina Van Brussels Brecht-Eislerkoor.
MLA引文Brecht-Eislerkoor, Brussels. 669/X.1: Facebook-pagina Van Brussels Brecht-Eislerkoor.
警告：这些引文格式不一定是100％准确.