(2020). 空中英语教室：初级版．2020.
Chicago Style (17th ed.) Citation空中英语教室：初级版．2020. 2020.
MLA (8th ed.) Citation空中英语教室：初级版．2020. 2020.
Warning: These citations may not always be 100% accurate.
APA (7th ed.) Citation
(2020). 空中英语教室：初级版．2020.
Chicago Style (17th ed.) Citation空中英语教室：初级版．2020. 2020.
MLA (8th ed.) Citation空中英语教室：初级版．2020. 2020.