APA (7th ed.) Zitazioa

Kiplinger's Personal Finance Magazine. Kiplinger Washington Editors Inc.

Chicago Style (17th ed.) Zitazioa

Kiplinger's Personal Finance Magazine. Kiplinger Washington Editors Inc.

MLA (9th ed.) Zitazioa

Kiplinger's Personal Finance Magazine. Kiplinger Washington Editors Inc.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.