APA aipamena

(1999). The employment situation in January 1999 (final results). NSO Special Release.

Chicago Style aipamena

"The Employment Situation in January 1999 (final Results)." NSO Special Release 1999.

MLA aipamena

"The Employment Situation in January 1999 (final Results)." NSO Special Release, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.