Keeling, M. J., Hollingsworth, T. D., & Read, J. M. (2020). Efficacy of contact tracing for the containment of the 2019 novel coronavirus (COVID-19). J Epidemiol Community Health.
استشهاد بنمط شيكاغوKeeling, Matt J., T Deirdre Hollingsworth, و Jonathan M. Read. "Efficacy of Contact Tracing for the Containment of the 2019 Novel Coronavirus (COVID-19)." J Epidemiol Community Health 2020.
MLA استشهادKeeling, Matt J., T Deirdre Hollingsworth, و Jonathan M. Read. "Efficacy of Contact Tracing for the Containment of the 2019 Novel Coronavirus (COVID-19)." J Epidemiol Community Health 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.