APA aipamena

(1977). Report to the congress. Washington, D. C: General Accounting Office.

Chicago Style aipamena

Report to the Congress. Washington, D. C: General Accounting Office, 1977.

MLA aipamena

Report to the Congress. Washington, D. C: General Accounting Office, 1977.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.