International Trade Center UNCTAD/WTO. (1998). ISO 9000: A workbook for service firms in developing countries. International Trade Center.
Цитирование в стиле Чикаго (17-е изд.)International Trade Center UNCTAD/WTO. ISO 9000: A Workbook for Service Firms in Developing Countries. Geneva: International Trade Center, 1998.
Цитирование MLA (9-е изд.)International Trade Center UNCTAD/WTO. ISO 9000: A Workbook for Service Firms in Developing Countries. International Trade Center, 1998.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.