(2020). № 2. 2020.
Chicago Style aipamena№ 2. 2020, 2020.
MLA aipamena№ 2. 2020, 2020.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena
(2020). № 2. 2020.
Chicago Style aipamena№ 2. 2020, 2020.
MLA aipamena№ 2. 2020, 2020.