APA aipamena

Social security administration. (2003). A guide to SSI for groups and organizations. USA: Social security administration.

Chicago Style aipamena

Social security administration. A Guide to SSI for Groups and Organizations. USA: Social security administration, 2003.

MLA aipamena

Social security administration. A Guide to SSI for Groups and Organizations. USA: Social security administration, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.