Unted Nations. (2009). Child adoption: Trends and policies. United Nations.
Chicago Style (17th ed.) CitationUnted Nations. Child Adoption: Trends and Policies. New York: United Nations, 2009.
MLA引文Unted Nations. Child Adoption: Trends and Policies. United Nations, 2009.
警告:這些引文格式不一定是100%准確.