Douglas, N., Johannsen, K., Morgan, J. R., & Stempleski, S. (2005). World link: Workbook. Australia: Thomson Heinle.
シカゴスタイル引用形Douglas, Nancy., Kristin Johannsen, James R. Morgan, , Susan Stempleski. World Link: Workbook. Australia: Thomson Heinle, 2005.
MLA引用形式Douglas, Nancy., Kristin Johannsen, James R. Morgan, , Susan Stempleski. World Link: Workbook. Australia: Thomson Heinle, 2005.
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