Παραπομπή σε μορφή APA (7η εκδ.)

Butler, C., Hood, K., Kelly, M., Goossens, H., Verheij, T., Little, P., . . . Coenen, S. (2010). Treatment of acute cough/lower respiratory tract infection by antibiotic class and associated outcomes: A 13 European country observational study in primary care.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Butler, C., et al. Treatment of Acute Cough/lower Respiratory Tract Infection by Antibiotic Class and Associated Outcomes: A 13 European Country Observational Study in Primary Care. 2010.

Παραπομπή σε μορφή MLA (9th εκδ.)

Butler, C., et al. Treatment of Acute Cough/lower Respiratory Tract Infection by Antibiotic Class and Associated Outcomes: A 13 European Country Observational Study in Primary Care. 2010.