Lee, K., Worsnop, C. Z., Grépin, K. A., & Kamradt-Scott, A. (2020). Global coordination on cross-border travel and trade measures crucial to COVID-19 response. Lancet.
استشهاد بنمط شيكاغوLee, Kelley, Catherine Z. Worsnop, Karen A. Grépin, و Adam Kamradt-Scott. "Global Coordination On Cross-border Travel and Trade Measures Crucial to COVID-19 Response." Lancet 2020.
MLA استشهادLee, Kelley, Catherine Z. Worsnop, Karen A. Grépin, و Adam Kamradt-Scott. "Global Coordination On Cross-border Travel and Trade Measures Crucial to COVID-19 Response." Lancet 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.