(1995). Title 7 - vendor's invoice / United States General Accounting Office, Accounting and Information Management Division.
芝加哥风格引文Title 7 - Vendor's Invoice / United States General Accounting Office, Accounting and Information Management Division. 1995.
MLA引文Title 7 - Vendor's Invoice / United States General Accounting Office, Accounting and Information Management Division. 1995.
警告：这些引文格式不一定是100％准确.