References

Federation, N. R. (2007), National Retail Federation 4-5-4 Calendar, Washington, DC: NRF.

Technical Committee ISO/TC 154, D. E., Processes, Documents in Commerce, I., and Administration (2004), ISO 8601:2004 Data Elements and Interchange Formats–Information Interchange–Representation of Dates and Times, 3rd Edition, Technical report, International Organization for Standardization.