Ahmed, B., Fatmi, Z., & Siddiqui, A. R. (2011). Population Attributable Risk of Unintentional Childhood Poisoning in Karachi Pakistan. Public Library of Science.
استشهاد بنمط شيكاغوAhmed, Bilal, Zafar Fatmi, و Amna R. Siddiqui. Population Attributable Risk of Unintentional Childhood Poisoning in Karachi Pakistan. Public Library of Science, 2011.
MLA استشهادAhmed, Bilal, Zafar Fatmi, و Amna R. Siddiqui. Population Attributable Risk of Unintentional Childhood Poisoning in Karachi Pakistan. Public Library of Science, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.