APA Style
Wills, Christopher., de Vaus, D. A.. ().
Surveys in social research .
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Chicago Style
Wills, Christopher., de Vaus, D. A..
Surveys in social research.
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MLA Style
Wills, Christopher., de Vaus, D. A..
Surveys in social research.
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,
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Turabian Style
Wills, Christopher., de Vaus, D. A..
Surveys in social research.
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,
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