Peterson, P. W. (2003). Developing writing: Writing skill practice book for EFL. U.S: United States Infomation Agency (USIA).
Styl ChicagoPeterson, Patricia Wilcox. Developing Writing: Writing Skill Practice Book for EFL. U.S: United States Infomation Agency (USIA), 2003.
Citace podle MLAPeterson, Patricia Wilcox. Developing Writing: Writing Skill Practice Book for EFL. U.S: United States Infomation Agency (USIA), 2003.
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