Heseltine, D., el-Jabri, M., Ahmed, F., & Knox, J. (1991). The effect of caffeine on postprandial blood pressure in the frail elderly. BMJ Group.
استشهاد بنمط شيكاغوHeseltine, D., M. el-Jabri, F. Ahmed, و J. Knox. The Effect of Caffeine On Postprandial Blood Pressure in the Frail Elderly. BMJ Group, 1991.
MLA استشهادHeseltine, D., M. el-Jabri, F. Ahmed, و J. Knox. The Effect of Caffeine On Postprandial Blood Pressure in the Frail Elderly. BMJ Group, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.