APA引文

(OWW), O. 251/3.1.1/00175: Briefwisseling.

芝加哥风格引文

(OWW), Oxfam-Wereldwinkels. 251/3.1.1/00175: Briefwisseling.

MLA引文

(OWW), Oxfam-Wereldwinkels. 251/3.1.1/00175: Briefwisseling.

警告：这些引文格式不一定是100％准确.