(2020). 商学院.2020,no.11-12.
Chicago Style aipamena商学院.2020,no.11-12. 2020.
MLA aipamena商学院.2020,no.11-12. 2020.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
(2020). 商学院.2020,no.11-12.
Chicago Style aipamena商学院.2020,no.11-12. 2020.
MLA aipamena商学院.2020,no.11-12. 2020.