英语专业本科毕业论文写作规范手册(14)

（10）引用非直接文献

论文应尽可能避免使用非直接文献（即二级文献secondary source），但在无

法找到直接文献（即一级文献primary source）的情况下，引文可以从非直接文献中析出，例如：

Grayson (as cited in Murzynski & Degelman, 1996, p. 135) identified four components of body language that were related to judgments of vulnerability.

One researcher (Grayson, as cited in Murzynski & Degelman, 1996, p. 135) identified four components of body language that were related to judgments of vulnerability.