Leung, L. T., Ho, S. Y., Wang, M. P., Lo, W. S., & Lam, T. H. (2015). Exposure to secondhand smoke from neighbours and respiratory symptoms in never-smoking adolescents in Hong Kong: A cross-sectional study. BMJ Open.
استشهاد بنمط شيكاغوLeung, Lok Tung, Sai Yin Ho, Man Ping Wang, Wing Sze Lo, و Tai Hing Lam. "Exposure to Secondhand Smoke From Neighbours and Respiratory Symptoms in Never-smoking Adolescents in Hong Kong: A Cross-sectional Study." BMJ Open 2015.
MLA استشهادLeung, Lok Tung, et al. "Exposure to Secondhand Smoke From Neighbours and Respiratory Symptoms in Never-smoking Adolescents in Hong Kong: A Cross-sectional Study." BMJ Open 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.