APA引文

AN OUTLINE OF AMERICAN.. An outline of American economics. United States Information Agency.

芝加哥风格引文

AN OUTLINE OF AMERICAN.. An Outline of American Economics. USA: United States Information Agency.

MLA引文

AN OUTLINE OF AMERICAN.. An Outline of American Economics. United States Information Agency.

警告:这些引文格式不一定是100%准确.