Historic Documents of 1997. SAGE.
芝加哥风格引文Historic Documents of 1997. SAGE.
MLA引文Historic Documents of 1997. SAGE.
警告：这些引文格式不一定是100％准确.
APA引文
Historic Documents of 1997. SAGE.
芝加哥风格引文Historic Documents of 1997. SAGE.
MLA引文Historic Documents of 1997. SAGE.