(1999). Learn to speak English: Complete interactive English course for non-native speaker. Fremont, CA.: The Learning Company.
Trích dẫn kiểu ChicagoLearn to Speak English: Complete Interactive English Course for Non-native Speaker. Fremont, CA.: The Learning Company, 1999.
MLA引文Learn to Speak English: Complete Interactive English Course for Non-native Speaker. Fremont, CA.: The Learning Company, 1999.
警告:这些引文格式不一定是100%准确.