Richard, B. (2003). 9-11. World Trade Center Image Complex + "shifting image". Kunstforum.
Chicago-Zitierstil (17. Ausg.)Richard, Birgit. "9-11. World Trade Center Image Complex + "Shifting Image"." Kunstforum 2003.
MLA-Zitierstil (8. Ausg.)Richard, Birgit. "9-11. World Trade Center Image Complex + "Shifting Image"." Kunstforum, 2003.
警告：這些引文格式不一定是100％准確.