(2021). 中外文摘．2021.
Chicago Style aipamena中外文摘．2021. 2021.
MLA aipamena中外文摘．2021. 2021.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena
(2021). 中外文摘．2021.
Chicago Style aipamena中外文摘．2021. 2021.
MLA aipamena中外文摘．2021. 2021.