APA Style
New power workbook true colors an EFL course for real communication. (2004).
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Chicago Style
New power workbook true colors an EFL course for real communication.
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,
2004.
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MLA Style
New power workbook true colors an EFL course for real communication.
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,
2004.
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Turabian Style
New power workbook true colors an EFL course for real communication.
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,
2004.
.