Butler, C., Pill, R., Pill, R., Stott, N., & Stott, N. (1998). Qualitative study of patients' perceptions of doctors' advice to quit smoking: Implications for opportunistic health promotion.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Butler, C., R. Pill, R. Pill, N. Stott, و N. Stott. Qualitative Study of Patients' Perceptions of Doctors' Advice to Quit Smoking: Implications for Opportunistic Health Promotion. 1998.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Butler, C., et al. Qualitative Study of Patients' Perceptions of Doctors' Advice to Quit Smoking: Implications for Opportunistic Health Promotion. 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.