(2006). Survey of Consumer Attitudes and Behavior, August 1997 University of Michigan. Survey Research Center.Economic Behavior Program. [electronic resource].
Citace podle Chicago (17th ed.)Survey of Consumer Attitudes and Behavior, August 1997 University of Michigan. Survey Research Center.Economic Behavior Program. [electronic Resource]. 2006.
Citace podle MLA (9th ed.)Survey of Consumer Attitudes and Behavior, August 1997 University of Michigan. Survey Research Center.Economic Behavior Program. [electronic Resource]. 2006.
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