(2020). 环 球．2020,no.9,21-23.
Chicago Style (17th ed.) Citation环 球．2020,no.9,21-23. 2020.
Cita MLA环 球．2020,no.9,21-23. 2020.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA
(2020). 环 球．2020,no.9,21-23.
Chicago Style (17th ed.) Citation环 球．2020,no.9,21-23. 2020.
Cita MLA环 球．2020,no.9,21-23. 2020.