APA-viite

Tolla, M. T., Norheim, O. F., Verguet, S., Bekele, A., Amenu, K., Abdisa, S. G., & Johansson, K. A. (2017). Out-of-pocket expenditures for prevention and treatment of cardiovascular disease in general and specialised cardiac hospitals in Addis Ababa, Ethiopia: A cross-sectional cohort study. BMJ Glob Health.

Chicago-tyylinen lähdeviittaus

Tolla, Mieraf Taddesse, Ole Frithjof Norheim, Stéphane Verguet, Abebe Bekele, Kassahun Amenu, Senbeta Guteta Abdisa, ja Kjell Arne Johansson. "Out-of-pocket Expenditures for Prevention and Treatment of Cardiovascular Disease in General and Specialised Cardiac Hospitals in Addis Ababa, Ethiopia: A Cross-sectional Cohort Study." BMJ Glob Health 2017.

MLA-viite

Tolla, Mieraf Taddesse, et al. "Out-of-pocket Expenditures for Prevention and Treatment of Cardiovascular Disease in General and Specialised Cardiac Hospitals in Addis Ababa, Ethiopia: A Cross-sectional Cohort Study." BMJ Glob Health 2017.

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