(2019). 环 球．2019,no.13,17,20-21,23-25.
Chicago Style (17th ed.) Citation环 球．2019,no.13,17,20-21,23-25. 2019.
MLA引文环 球．2019,no.13,17,20-21,23-25. 2019.
警告：这些引文格式不一定是100％准确.
APA引文
(2019). 环 球．2019,no.13,17,20-21,23-25.
Chicago Style (17th ed.) Citation环 球．2019,no.13,17,20-21,23-25. 2019.
MLA引文环 球．2019,no.13,17,20-21,23-25. 2019.