APA (7e ed.) Bronvermelding

International Trade Center UNCTAD/WTO. (1998). ISO 9000: A workbook for service firms in developing countries. International Trade Center.

Chicago (17e ed.) Bronvermelding

International Trade Center UNCTAD/WTO. ISO 9000: A Workbook for Service Firms in Developing Countries. Geneva: International Trade Center, 1998.

MLA (9e ed.) Bronvermelding

International Trade Center UNCTAD/WTO. ISO 9000: A Workbook for Service Firms in Developing Countries. International Trade Center, 1998.