APA引文

(1999). Learn to speak English: Complete interactive English course for non-native speaker. Fremont, CA.: The Learning Company.

Trích dẫn kiểu Chicago

Learn 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.