International Federation for Housing and Planning International Congress (1973 : Copenhagen). (1973). Copenhagen 1973: International Congress IFHP, 9-14 September. IFHP.
芝加哥风格引文International Federation for Housing and Planning International Congress (1973 : Copenhagen). Copenhagen 1973: International Congress IFHP, 9-14 September. [s.l.]: IFHP, 1973.
MLA引文International Federation for Housing and Planning International Congress (1973 : Copenhagen). Copenhagen 1973: International Congress IFHP, 9-14 September. IFHP, 1973.
警告：这些引文格式不一定是100％准确.