(2006). Precalculus: Graphs & models. Boston: Pearson Addison Wesley.
Trích dẫn kiểu ChicagoPrecalculus: Graphs & Models. Boston: Pearson Addison Wesley, 2006.
MLA引文Precalculus: Graphs & Models. Boston: Pearson Addison Wesley, 2006.
警告:這些引文格式不一定是100%准確.