Fricker, R., & Rod Fricker. (2013). Choices: Intermediate workbook. Harlow: Pearson.
Trích dẫn kiểu ChicagoFricker, Rod, và Rod Fricker. Choices: Intermediate Workbook. Harlow: Pearson, 2013.
MLA引文Fricker, Rod, và Rod Fricker. Choices: Intermediate Workbook. Harlow: Pearson, 2013.
警告：這些引文格式不一定是100％准確.