APA Style
Siddiqui, Akhtar H., United States. Department of Commerce, Washington, DC.. ().
ZIP Business Patterns 1999. [computer file]. .
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Chicago Style
Siddiqui, Akhtar H., United States. Department of Commerce, Washington, DC..
ZIP Business Patterns 1999. [computer file]..
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MLA Style
Siddiqui, Akhtar H., United States. Department of Commerce, Washington, DC..
ZIP Business Patterns 1999. [computer file]..
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,
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.
Turabian Style
Siddiqui, Akhtar H., United States. Department of Commerce, Washington, DC..
ZIP Business Patterns 1999. [computer file]..
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,
.
.