Withrow, J. (2002). Effective Writing: Writing skills for intermediate students of American English; Teacher's manual and answer key. Cambridge, UK: Cambridge Univ. Press.
Trích dẫn kiểu ChicagoWithrow, Jean. Effective Writing: Writing Skills for Intermediate Students of American English; Teacher's Manual and Answer Key. Cambridge, UK: Cambridge Univ. Press, 2002.
MLA引文Withrow, Jean. Effective Writing: Writing Skills for Intermediate Students of American English; Teacher's Manual and Answer Key. Cambridge, UK: Cambridge Univ. Press, 2002.
警告：这些引文格式不一定是100％准确.