写作资源

• 普渡大学在线写作实验室 https://owl.english.purdue.edu/
• APA格式和风格指南 https://owl.english.purdue.edu/owl/resource/560/01/
• 芝加哥风格手册 https://owl.english.purdue.edu/owl/resource/717/01/
• MLA格式和风格指南 https://owl.english.purdue.edu/owl/resource/747/01/
• 哈佛写作资源 https://writingcenter.fas.harvard.edu/pages/resources