Hughes, J. (2015). Life: Pre-Intermediate-Student's Book with online workbook. Australia: National Geographic Learning.
シカゴスタイル引用形Hughes, John. Life: Pre-Intermediate-Student's Book With Online Workbook. Australia: National Geographic Learning, 2015.
MLA引用形式Hughes, John. Life: Pre-Intermediate-Student's Book With Online Workbook. Australia: National Geographic Learning, 2015.
警告: この引用は必ずしも正確ではありません.