APA (7th ed.) Zitazioa

Occupational Outlook Quarterly. Bureau of Labor Statistics.

Chicago Style (17th ed.) Zitazioa

Occupational Outlook Quarterly. Bureau of Labor Statistics.

MLA (9th ed.) Zitazioa

Occupational Outlook Quarterly. Bureau of Labor Statistics.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.