Duckworth, M. (2004). English for the travel and tourist industry: Workbook. NewYork: Oxford University press.
استشهاد بنمط شيكاغوDuckworth, Michael. English for the Travel and Tourist Industry: Workbook. NewYork: Oxford University press, 2004.
MLA استشهادDuckworth, Michael. English for the Travel and Tourist Industry: Workbook. NewYork: Oxford University press, 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.