APA aipamena

National IMPACT (Organization : U.S.). Prepare. National IMPACT.

Chicago Style aipamena

National IMPACT (Organization : U.S.). Prepare. Washington, D.C.: National IMPACT.

MLA aipamena

National IMPACT (Organization : U.S.). Prepare. National IMPACT.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.