MacKenzie, D. (2020). We were warned, so why couldn't we prevent it? New Sci.
استشهاد بنمط شيكاغوMacKenzie, Debora. "We Were Warned, so Why Couldn't We Prevent It?" New Sci 2020.
MLA استشهادMacKenzie, Debora. "We Were Warned, so Why Couldn't We Prevent It?" New Sci 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.