(2021). 英语文摘．2021,no. 7-9,11-12.
Chicago Style aipamena英语文摘．2021,no. 7-9,11-12. 2021.
MLA aipamena英语文摘．2021,no. 7-9,11-12. 2021.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena
(2021). 英语文摘．2021,no. 7-9,11-12.
Chicago Style aipamena英语文摘．2021,no. 7-9,11-12. 2021.
MLA aipamena英语文摘．2021,no. 7-9,11-12. 2021.