O'Brien, L. (2013). Speak well. New York: McGraw Hill.
Trích dẫn kiểu ChicagoO'Brien, Liz. Speak Well. New York: McGraw Hill, 2013.
MLA引文O'Brien, Liz. Speak Well. New York: McGraw Hill, 2013.
警告：这些引文格式不一定是100％准确.
APA引文
O'Brien, L. (2013). Speak well. New York: McGraw Hill.
Trích dẫn kiểu ChicagoO'Brien, Liz. Speak Well. New York: McGraw Hill, 2013.
MLA引文O'Brien, Liz. Speak Well. New York: McGraw Hill, 2013.