Ferrer, J. (1990). Mosaic 2: A listening/speaking skills book. McGraw-Hill.
Trích dẫn kiểu ChicagoFerrer, Jami. Mosaic 2: A Listening/speaking Skills Book. McGraw-Hill, 1990.
MLA引文Ferrer, Jami. Mosaic 2: A Listening/speaking Skills Book. McGraw-Hill, 1990.
警告：這些引文格式不一定是100％准確.