International Trade Center UNCTAD/WTO. (1998). ISO 9000: A workbook for service firms in developing countries. International Trade Center.
Chicagoスタイル(17版)引用形式International Trade Center UNCTAD/WTO. ISO 9000: A Workbook for Service Firms in Developing Countries. Geneva: International Trade Center, 1998.
MLA(9版)引用形式International Trade Center UNCTAD/WTO. ISO 9000: A Workbook for Service Firms in Developing Countries. International Trade Center, 1998.
警告: この引用は必ずしも正確ではありません.