(2013). 档案．2013,no.2,4,6.
Chicago Style aipamena档案．2013,no.2,4,6. 2013.
MLA aipamena档案．2013,no.2,4,6. 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena
(2013). 档案．2013,no.2,4,6.
Chicago Style aipamena档案．2013,no.2,4,6. 2013.
MLA aipamena档案．2013,no.2,4,6. 2013.