APA aipamena

Pless, B. (2005). Mixed blessings: An Impact Factor. BMJ Group.

Chicago Style aipamena

Pless, B. Mixed Blessings: An Impact Factor. BMJ Group, 2005.

MLA aipamena

Pless, B. Mixed Blessings: An Impact Factor. BMJ Group, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.