APA (7th ed.) Zitazioa

Gifford. Suing the Tobacco and Lead Pigment Industries. University of Michigan Press.

Chicago Style (17th ed.) Zitazioa

Gifford. Suing the Tobacco and Lead Pigment Industries. University of Michigan Press.

MLA (9th ed.) Zitazioa

Gifford. Suing the Tobacco and Lead Pigment Industries. University of Michigan Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.