Maris, A. (2016). Outcomes Upper Intermediate: Workbook Audio CD (Segunda edición.). National Geographic Learning Cengage Learning Company.
Chicagoスタイル(17版)引用形式Maris, Amanda. Outcomes Upper Intermediate: Workbook Audio CD. Segunda edición. Hampshire: National Geographic Learning Cengage Learning Company, 2016.
MLA(9版)引用形式Maris, Amanda. Outcomes Upper Intermediate: Workbook Audio CD. Segunda edición. National Geographic Learning Cengage Learning Company, 2016.
警告: この引用は必ずしも正確ではありません.