APA Style
Langan, John, Gewirth, Alan. ().
English Skills with Readings. .
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Chicago Style
Langan, John, Gewirth, Alan.
English Skills with Readings..
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,
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.
MLA Style
Langan, John, Gewirth, Alan.
English Skills with Readings..
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,
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.
Turabian Style
Langan, John, Gewirth, Alan.
English Skills with Readings..
:
,
.
.