Ford, E. S. (2012). Combined television viewing and computer use and mortality from all-causes and diseases of the circulatory system among adults in the United States. BioMed Central.
استشهاد بنمط شيكاغوFord, Earl S. Combined Television Viewing and Computer Use and Mortality From All-causes and Diseases of the Circulatory System Among Adults in the United States. BioMed Central, 2012.
MLA استشهادFord, Earl S. Combined Television Viewing and Computer Use and Mortality From All-causes and Diseases of the Circulatory System Among Adults in the United States. BioMed Central, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.