Sinclair, C. (2010). Grammar: A friendly approach (2nd ed.). McGraw-Hill : Open University Press.
芝加哥风格引文Sinclair, Christine. Grammar: A Friendly Approach. 2nd ed. Berkshire, England ; New York, N.Y.: McGraw-Hill : Open University Press, 2010.
MLA引文Sinclair, Christine. Grammar: A Friendly Approach. 2nd ed. McGraw-Hill : Open University Press, 2010.
警告：这些引文格式不一定是100％准确.