Brussel, F. o. t. E. V. e. 294/00104: Briefwisseling.
芝加哥风格引文Brussel, Friends of the Earth Vlaanderen en. 294/00104: Briefwisseling.
MLA引文Brussel, Friends of the Earth Vlaanderen en. 294/00104: Briefwisseling.
警告：这些引文格式不一定是100％准确.
APA引文