Carpenter, M., Hughes, J., Solomon, L., & Lancaster, T. (2005). Smoking reduction with nicotine replacement and motivational advice reduced smoking in people unmotivated to quit.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Carpenter, M., JR Hughes, L. Solomon, و T. Lancaster. Smoking Reduction with Nicotine Replacement and Motivational Advice Reduced Smoking in People Unmotivated to Quit. 2005.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Carpenter, M., et al. Smoking Reduction with Nicotine Replacement and Motivational Advice Reduced Smoking in People Unmotivated to Quit. 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.