Johnson, P. L. (2000). ISO 9000: The year 2000 and beyond. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoJohnson, Perry L. ISO 9000: The Year 2000 and Beyond. New York: McGraw-Hill, 2000.
MLA citiranjeJohnson, Perry L. ISO 9000: The Year 2000 and Beyond. New York: McGraw-Hill, 2000.
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