Peterson, P. W. (2003). Developing writing: Writing skill practice book for EFL. U.S: United States Infomation Agency (USIA).
シカゴスタイル引用形Peterson, Patricia Wilcox. Developing Writing: Writing Skill Practice Book for EFL. U.S: United States Infomation Agency (USIA), 2003.
MLA引用形式Peterson, Patricia Wilcox. Developing Writing: Writing Skill Practice Book for EFL. U.S: United States Infomation Agency (USIA), 2003.
警告: この引用は必ずしも正確ではありません.