European Investment Bank. (2020). EIB Complaints Mechanism Report 2019.
芝加哥风格引文European Investment Bank. EIB Complaints Mechanism Report 2019. 2020.
MLA引文European Investment Bank. EIB Complaints Mechanism Report 2019. 2020.
警告：这些引文格式不一定是100％准确.
APA引文