(2020). 世界博览．2020,no.11,18,22-23.
Chicago Style aipamena世界博览．2020,no.11,18,22-23. 2020.
MLA aipamena世界博览．2020,no.11,18,22-23. 2020.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena
(2020). 世界博览．2020,no.11,18,22-23.
Chicago Style aipamena世界博览．2020,no.11,18,22-23. 2020.
MLA aipamena世界博览．2020,no.11,18,22-23. 2020.