Zhang, X. Q. (2008). Housing for all: The challenges of affordability, accessibility, and sustainability : the experiences, and instruments for the developing and developed worlds : a synthesis report. United Nations Human Settlements Programme.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Zhang, Xing Quan. Housing for All: The Challenges of Affordability, Accessibility, and Sustainability : The Experiences, and Instruments for the Developing and Developed Worlds : A Synthesis Report. Nairobi: United Nations Human Settlements Programme, 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Zhang, Xing Quan. Housing for All: The Challenges of Affordability, Accessibility, and Sustainability : The Experiences, and Instruments for the Developing and Developed Worlds : A Synthesis Report. United Nations Human Settlements Programme, 2008.