Beard Roger. (2009). Sage Handbook of Writing Development. Sage.
芝加哥风格引文Beard Roger. Sage Handbook of Writing Development. LONDON: Sage, 2009.
MLA引文Beard Roger. Sage Handbook of Writing Development. Sage, 2009.
警告：这些引文格式不一定是100％准确.
APA引文