Clive Oxenden, & Clive Oxenden; Christina Latham-Koenig; Paul Seligson. (2010). New English file: Pre-intermediate. Hà Nội: Lao động.
シカゴスタイル引用形Clive Oxenden, , Clive Oxenden; Christina Latham-Koenig; Paul Seligson. New English File: Pre-intermediate. Hà Nội: Lao động, 2010.
MLA引用形式Clive Oxenden, , Clive Oxenden; Christina Latham-Koenig; Paul Seligson. New English File: Pre-intermediate. Hà Nội: Lao động, 2010.
警告: この引用は必ずしも正確ではありません.