Butler, C., Hood, K., Verheij, T., Little, P., Melbye, H., Nuttall, J., . . . Goossens, H. (2009). Variation in antibiotic prescribing and its impact on recovery in patients with acute cough in primary care: Prospective study in 13 countries.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Butler, C., et al. Variation in Antibiotic Prescribing and Its Impact on Recovery in Patients with Acute Cough in Primary Care: Prospective Study in 13 Countries. 2009.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Butler, C., et al. Variation in Antibiotic Prescribing and Its Impact on Recovery in Patients with Acute Cough in Primary Care: Prospective Study in 13 Countries. 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.