(1999). Learn to speak English: Complete interactive English course for non-native speakers. Workbook. Fremont, CA.: The Learning Company.
استشهاد بنمط شيكاغوLearn to Speak English: Complete Interactive English Course for Non-native Speakers. Workbook. Fremont, CA.: The Learning Company, 1999.
MLA استشهادLearn to Speak English: Complete Interactive English Course for Non-native Speakers. Workbook. Fremont, CA.: The Learning Company, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.