Jedrychowski, W., & Flak, E. (1997). Maternal smoking during pregnancy and postnatal exposure to environmental tobacco smoke as predisposition factors to acute respiratory infections.
استشهاد بنمط شيكاغوJedrychowski, W., و E. Flak. Maternal Smoking During Pregnancy and Postnatal Exposure to Environmental Tobacco Smoke As Predisposition Factors to Acute Respiratory Infections. 1997.
MLA استشهادJedrychowski, W., و E. Flak. Maternal Smoking During Pregnancy and Postnatal Exposure to Environmental Tobacco Smoke As Predisposition Factors to Acute Respiratory Infections. 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.