APA (7th ed.) Zitazioa

Chapko Michael, Li Yu-Fang, Perkins Mark, Maciejewski Matthew L, Fortney John C, & Liu Chuan-Fen. (2007). Utilization and expenditures of veterans obtaining primary care in community clinics and VA medical centers: An observational cohort study. BMC.

Chicago Style (17th ed.) Zitazioa

Chapko Michael, Li Yu-Fang, Perkins Mark, Maciejewski Matthew L, Fortney John C, eta Liu Chuan-Fen. Utilization and Expenditures of Veterans Obtaining Primary Care in Community Clinics and VA Medical Centers: An Observational Cohort Study. BMC, 2007.

MLA (9th ed.) Zitazioa

Chapko Michael, et al. Utilization and Expenditures of Veterans Obtaining Primary Care in Community Clinics and VA Medical Centers: An Observational Cohort Study. BMC, 2007.