(2021). 演讲与口才．2021,no. 4,10-13.
Chicago Style aipamena演讲与口才．2021,no. 4,10-13. 2021.
MLA aipamena演讲与口才．2021,no. 4,10-13. 2021.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena
(2021). 演讲与口才．2021,no. 4,10-13.
Chicago Style aipamena演讲与口才．2021,no. 4,10-13. 2021.
MLA aipamena演讲与口才．2021,no. 4,10-13. 2021.