Getzel, E. (2008). Basic skills for Toef® iBT: Speaking 1. Compass Publishing.
シカゴスタイル引用形Getzel, Edaan. Basic Skills for Toef® IBT: Speaking 1. Compass Publishing, 2008.
MLA引用形式Getzel, Edaan. Basic Skills for Toef® IBT: Speaking 1. Compass Publishing, 2008.
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