APA aipamena

National labour institute bulletin. Vol.7, 1981. National labour institute.

Chicago Style aipamena

National Labour Institute Bulletin. Vol.7, 1981. New Delhi: National labour institute.

MLA aipamena

National Labour Institute Bulletin. Vol.7, 1981. National labour institute.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.