Hahner, J. C. (2002). Speech Lab CD to accompany: Speaking clearly. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoHahner, Jeffrey C. Speech Lab CD to Accompany: Speaking Clearly. New York: McGraw-Hill, 2002.
MLA引文Hahner, Jeffrey C. Speech Lab CD to Accompany: Speaking Clearly. New York: McGraw-Hill, 2002.
警告:這些引文格式不一定是100%准確.