APA ציטוט

(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.

ציטוט MLA

环 球．2019,no.13,17,20-21,23-25. 2019.