(2014). 豐年．2014,v.64,no.18-21.
Chicago Style aipamena豐年．2014,v.64,no.18-21. 2014.
MLA aipamena豐年．2014,v.64,no.18-21. 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena
(2014). 豐年．2014,v.64,no.18-21.
Chicago Style aipamena豐年．2014,v.64,no.18-21. 2014.
MLA aipamena豐年．2014,v.64,no.18-21. 2014.