APA aipamena

Robertson, D. A. (1997). GP cooperatives. Don't serve rural patients well.

Chicago Style aipamena

Robertson, D. A. GP Cooperatives. Don't Serve Rural Patients Well. 1997.

MLA aipamena

Robertson, D. A. GP Cooperatives. Don't Serve Rural Patients Well. 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.